Home / 38,819.10-58,216.17-12,517.69

Finding the Fourth Proportional to 38,819.10, 58,216.17 and 12,517.69

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Solution

The fourth proportional to 38,819.10, 58,216.17 and 12,517.69 is: 18,772.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,819.10 : 58,216.17 = 12,517.69 : x
  2. Step 2: Convert to fraction form
    38,819.10/58,216.17 = 12,517.69/x
  3. Step 3: Cross multiply
    38,819.10x = 58,216.17 × 12,517.69
  4. Step 4: Simplify right side
    38,819.10x = 728,731,909.19
  5. Step 5: Solve for x
    x = 728,731,909.19/38,819.10
  6. Step 6: Final answer
    x = 18,772.51

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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.