17K is too low to buy the remaining, and 44K points to spend is I believe not enough to convert to make a difference. Either you have to fly a lot in the remainder of April, or accept that you will drop to silver.
Your May flying will get you a big chunk of the requirements for the next year. If you get all in to 200% earning in long haul, plus the two short haul you'll be well above half way for Gold.