Finding the Fourth Proportional to 71,286.64, 106,928.84 and 24,539.92
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Solution
The fourth proportional to 71,286.64, 106,928.84 and 24,539.92 is: 36,809.49
Step by Step Solution
- Step 1: Write the proportion equation
71,286.64 : 106,928.84 = 24,539.92 : x - Step 2: Convert to fraction form
71,286.64/106,928.84 = 24,539.92/x - Step 3: Cross multiply
71,286.64x = 106,928.84 × 24,539.92 - Step 4: Simplify right side
71,286.64x = 2,624,025,179.29 - Step 5: Solve for x
x = 2,624,025,179.29/71,286.64 - Step 6: Final answer
x = 36,809.49
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.