Colunga's attacking prowess gave his team a boost, and he ended the contest with two goals to his name as he scored goals in the 82nd and 86th minutes.
The two sides had been level before then following a left-footed strike by Giovani dos Santos in the 24th minute and a right-footed equaliser by Diego Castro in the 71st minute.
After 25 games Los Bermellones are currently in the relegation zone, six points behind 16th-place Osasuna with a record of four wins, 15 losses and six draws.
With 35 points Getafe trail Valencia by five for the final Europa League spot, and have compiled a record of 10 wins, 10 losses and five draws on the season.
Getafe had 52.5% of possession.
Geta had eight shots, including four on goal.
Jaime Gavilán made a big difference on the match for Getafe after coming on for Xavi Torres in the 55th minute, as he took two shots and assisted on Colunga's goal.
The combination of Abdel Barrada to Castro was the most common during the match, as the two players connected 13 times.Mallorca had 47.5% of the possession during the match.
The Barralets had 15 shots, including four on target.The four attempts by Víctor were the most of any Mallorca player.