Home / 47,279.70-70,919.55-38,823.30

Finding the Fourth Proportional to 47,279.70, 70,919.55 and 38,823.30

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Solution

The fourth proportional to 47,279.70, 70,919.55 and 38,823.30 is: 58,234.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,279.70 : 70,919.55 = 38,823.30 : x
  2. Step 2: Convert to fraction form
    47,279.70/70,919.55 = 38,823.30/x
  3. Step 3: Cross multiply
    47,279.70x = 70,919.55 × 38,823.30
  4. Step 4: Simplify right side
    47,279.70x = 2,753,330,965.52
  5. Step 5: Solve for x
    x = 2,753,330,965.52/47,279.70
  6. Step 6: Final answer
    x = 58,234.95

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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.