Home / 59,931.30-89,897.01-20,488.74

Finding the Fourth Proportional to 59,931.30, 89,897.01 and 20,488.74

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Solution

The fourth proportional to 59,931.30, 89,897.01 and 20,488.74 is: 30,733.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,931.30 : 89,897.01 = 20,488.74 : x
  2. Step 2: Convert to fraction form
    59,931.30/89,897.01 = 20,488.74/x
  3. Step 3: Cross multiply
    59,931.30x = 89,897.01 × 20,488.74
  4. Step 4: Simplify right side
    59,931.30x = 1,841,876,464.67
  5. Step 5: Solve for x
    x = 1,841,876,464.67/59,931.30
  6. Step 6: Final answer
    x = 30,733.13

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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.