Home / 71,517.27-98,694.92-39,688.23

Finding the Fourth Proportional to 71,517.27, 98,694.92 and 39,688.23

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Solution

The fourth proportional to 71,517.27, 98,694.92 and 39,688.23 is: 54,770.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,517.27 : 98,694.92 = 39,688.23 : x
  2. Step 2: Convert to fraction form
    71,517.27/98,694.92 = 39,688.23/x
  3. Step 3: Cross multiply
    71,517.27x = 98,694.92 × 39,688.23
  4. Step 4: Simplify right side
    71,517.27x = 3,917,026,486.35
  5. Step 5: Solve for x
    x = 3,917,026,486.35/71,517.27
  6. Step 6: Final answer
    x = 54,770.36

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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.