Home / 71,417.52-98,560.92-39,587.76

Finding the Fourth Proportional to 71,417.52, 98,560.92 and 39,587.76

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Solution

The fourth proportional to 71,417.52, 98,560.92 and 39,587.76 is: 54,633.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,417.52 : 98,560.92 = 39,587.76 : x
  2. Step 2: Convert to fraction form
    71,417.52/98,560.92 = 39,587.76/x
  3. Step 3: Cross multiply
    71,417.52x = 98,560.92 × 39,587.76
  4. Step 4: Simplify right side
    71,417.52x = 3,901,806,046.34
  5. Step 5: Solve for x
    x = 3,901,806,046.34/71,417.52
  6. Step 6: Final answer
    x = 54,633.74

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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.