Home / 38,429.60-57,529.20-36,151.20

Finding the Fourth Proportional to 38,429.60, 57,529.20 and 36,151.20

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Solution

The fourth proportional to 38,429.60, 57,529.20 and 36,151.20 is: 54,118.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,429.60 : 57,529.20 = 36,151.20 : x
  2. Step 2: Convert to fraction form
    38,429.60/57,529.20 = 36,151.20/x
  3. Step 3: Cross multiply
    38,429.60x = 57,529.20 × 36,151.20
  4. Step 4: Simplify right side
    38,429.60x = 2,079,749,615.04
  5. Step 5: Solve for x
    x = 2,079,749,615.04/38,429.60
  6. Step 6: Final answer
    x = 54,118.43

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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.