Home / 59,931.80-89,897.76-20,489.24

Finding the Fourth Proportional to 59,931.80, 89,897.76 and 20,489.24

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Solution

The fourth proportional to 59,931.80, 89,897.76 and 20,489.24 is: 30,733.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,931.80 : 89,897.76 = 20,489.24 : x
  2. Step 2: Convert to fraction form
    59,931.80/89,897.76 = 20,489.24/x
  3. Step 3: Cross multiply
    59,931.80x = 89,897.76 × 20,489.24
  4. Step 4: Simplify right side
    59,931.80x = 1,841,936,780.10
  5. Step 5: Solve for x
    x = 1,841,936,780.10/59,931.80
  6. Step 6: Final answer
    x = 30,733.88

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1.5x scale

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.