Home / 40,287.38-60,381.05-25,500.42

Finding the Fourth Proportional to 40,287.38, 60,381.05 and 25,500.42

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Solution

The fourth proportional to 40,287.38, 60,381.05 and 25,500.42 is: 38,218.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,287.38 : 60,381.05 = 25,500.42 : x
  2. Step 2: Convert to fraction form
    40,287.38/60,381.05 = 25,500.42/x
  3. Step 3: Cross multiply
    40,287.38x = 60,381.05 × 25,500.42
  4. Step 4: Simplify right side
    40,287.38x = 1,539,742,007.54
  5. Step 5: Solve for x
    x = 1,539,742,007.54/40,287.38
  6. Step 6: Final answer
    x = 38,218.97

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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.