Home / 38,212.20-57,316.92-10,132.50

Finding the Fourth Proportional to 38,212.20, 57,316.92 and 10,132.50

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Solution

The fourth proportional to 38,212.20, 57,316.92 and 10,132.50 is: 15,198.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,212.20 : 57,316.92 = 10,132.50 : x
  2. Step 2: Convert to fraction form
    38,212.20/57,316.92 = 10,132.50/x
  3. Step 3: Cross multiply
    38,212.20x = 57,316.92 × 10,132.50
  4. Step 4: Simplify right side
    38,212.20x = 580,763,691.90
  5. Step 5: Solve for x
    x = 580,763,691.90/38,212.20
  6. Step 6: Final answer
    x = 15,198.38

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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.