Finding the Fourth Proportional to 51,937.80, 77,906.70 and 14,497.80
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Solution
The fourth proportional to 51,937.80, 77,906.70 and 14,497.80 is: 21,746.70
Step by Step Solution
- Step 1: Write the proportion equation
51,937.80 : 77,906.70 = 14,497.80 : x - Step 2: Convert to fraction form
51,937.80/77,906.70 = 14,497.80/x - Step 3: Cross multiply
51,937.80x = 77,906.70 × 14,497.80 - Step 4: Simplify right side
51,937.80x = 1,129,475,755.26 - Step 5: Solve for x
x = 1,129,475,755.26/51,937.80 - Step 6: Final answer
x = 21,746.70
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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.