Home / 38,737.20-58,105.80-36,145.20

Finding the Fourth Proportional to 38,737.20, 58,105.80 and 36,145.20

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Solution

The fourth proportional to 38,737.20, 58,105.80 and 36,145.20 is: 54,217.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,737.20 : 58,105.80 = 36,145.20 : x
  2. Step 2: Convert to fraction form
    38,737.20/58,105.80 = 36,145.20/x
  3. Step 3: Cross multiply
    38,737.20x = 58,105.80 × 36,145.20
  4. Step 4: Simplify right side
    38,737.20x = 2,100,245,762.16
  5. Step 5: Solve for x
    x = 2,100,245,762.16/38,737.20
  6. Step 6: Final answer
    x = 54,217.80

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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.