Home / 42,670.20-63,951.30-16,339.80

Finding the Fourth Proportional to 42,670.20, 63,951.30 and 16,339.80

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Solution

The fourth proportional to 42,670.20, 63,951.30 and 16,339.80 is: 24,489.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,670.20 : 63,951.30 = 16,339.80 : x
  2. Step 2: Convert to fraction form
    42,670.20/63,951.30 = 16,339.80/x
  3. Step 3: Cross multiply
    42,670.20x = 63,951.30 × 16,339.80
  4. Step 4: Simplify right side
    42,670.20x = 1,044,951,451.74
  5. Step 5: Solve for x
    x = 1,044,951,451.74/42,670.20
  6. Step 6: Final answer
    x = 24,489.02

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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.