Finding the Fourth Proportional to 71,962.41, 107,943.52 and 19,371.95
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Solution
The fourth proportional to 71,962.41, 107,943.52 and 19,371.95 is: 29,057.90
Step by Step Solution
- Step 1: Write the proportion equation
71,962.41 : 107,943.52 = 19,371.95 : x - Step 2: Convert to fraction form
71,962.41/107,943.52 = 19,371.95/x - Step 3: Cross multiply
71,962.41x = 107,943.52 × 19,371.95 - Step 4: Simplify right side
71,962.41x = 2,091,076,472.26 - Step 5: Solve for x
x = 2,091,076,472.26/71,962.41 - Step 6: Final answer
x = 29,057.90
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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.