Finding the Fourth Proportional to 31,481.26, 43,443.95 and 17,334
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Solution
The fourth proportional to 31,481.26, 43,443.95 and 17,334 is: 23,920.82
Step by Step Solution
- Step 1: Write the proportion equation
31,481.26 : 43,443.95 = 17,334 : x - Step 2: Convert to fraction form
31,481.26/43,443.95 = 17,334/x - Step 3: Cross multiply
31,481.26x = 43,443.95 × 17,334 - Step 4: Simplify right side
31,481.26x = 753,057,342.63 - Step 5: Solve for x
x = 753,057,342.63/31,481.26 - Step 6: Final answer
x = 23,920.82
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.