Home / 62,811.20-94,158.24-21,229.12

Finding the Fourth Proportional to 62,811.20, 94,158.24 and 21,229.12

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Solution

The fourth proportional to 62,811.20, 94,158.24 and 21,229.12 is: 31,823.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,811.20 : 94,158.24 = 21,229.12 : x
  2. Step 2: Convert to fraction form
    62,811.20/94,158.24 = 21,229.12/x
  3. Step 3: Cross multiply
    62,811.20x = 94,158.24 × 21,229.12
  4. Step 4: Simplify right side
    62,811.20x = 1,998,896,575.95
  5. Step 5: Solve for x
    x = 1,998,896,575.95/62,811.20
  6. Step 6: Final answer
    x = 31,823.89

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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.