Home / 40,819.18-61,217.16-15,853.90

Finding the Fourth Proportional to 40,819.18, 61,217.16 and 15,853.90

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Solution

The fourth proportional to 40,819.18, 61,217.16 and 15,853.90 is: 23,776.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,819.18 : 61,217.16 = 15,853.90 : x
  2. Step 2: Convert to fraction form
    40,819.18/61,217.16 = 15,853.90/x
  3. Step 3: Cross multiply
    40,819.18x = 61,217.16 × 15,853.90
  4. Step 4: Simplify right side
    40,819.18x = 970,530,732.92
  5. Step 5: Solve for x
    x = 970,530,732.92/40,819.18
  6. Step 6: Final answer
    x = 23,776.34

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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.