Finding the Fourth Proportional to 73,941.48, 110,899.92 and 21,336.84
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Solution
The fourth proportional to 73,941.48, 110,899.92 and 21,336.84 is: 32,001.71
Step by Step Solution
- Step 1: Write the proportion equation
73,941.48 : 110,899.92 = 21,336.84 : x - Step 2: Convert to fraction form
73,941.48/110,899.92 = 21,336.84/x - Step 3: Cross multiply
73,941.48x = 110,899.92 × 21,336.84 - Step 4: Simplify right side
73,941.48x = 2,366,253,849.05 - Step 5: Solve for x
x = 2,366,253,849.05/73,941.48 - Step 6: Final answer
x = 32,001.71
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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.