Home / 71,476.98-98,631.24-39,645.18

Finding the Fourth Proportional to 71,476.98, 98,631.24 and 39,645.18

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Solution

The fourth proportional to 71,476.98, 98,631.24 and 39,645.18 is: 54,706.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,476.98 : 98,631.24 = 39,645.18 : x
  2. Step 2: Convert to fraction form
    71,476.98/98,631.24 = 39,645.18/x
  3. Step 3: Cross multiply
    71,476.98x = 98,631.24 × 39,645.18
  4. Step 4: Simplify right side
    71,476.98x = 3,910,253,263.42
  5. Step 5: Solve for x
    x = 3,910,253,263.42/71,476.98
  6. Step 6: Final answer
    x = 54,706.47

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1.5x scale

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.