Home / 42,874.20-64,261.62-25,358.76

Finding the Fourth Proportional to 42,874.20, 64,261.62 and 25,358.76

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Solution

The fourth proportional to 42,874.20, 64,261.62 and 25,358.76 is: 38,008.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,874.20 : 64,261.62 = 25,358.76 : x
  2. Step 2: Convert to fraction form
    42,874.20/64,261.62 = 25,358.76/x
  3. Step 3: Cross multiply
    42,874.20x = 64,261.62 × 25,358.76
  4. Step 4: Simplify right side
    42,874.20x = 1,629,594,998.79
  5. Step 5: Solve for x
    x = 1,629,594,998.79/42,874.20
  6. Step 6: Final answer
    x = 38,008.76

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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.