Home / 36,124.60-54,138.30-25,724.20

Finding the Fourth Proportional to 36,124.60, 54,138.30 and 25,724.20

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Solution

The fourth proportional to 36,124.60, 54,138.30 and 25,724.20 is: 38,551.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,124.60 : 54,138.30 = 25,724.20 : x
  2. Step 2: Convert to fraction form
    36,124.60/54,138.30 = 25,724.20/x
  3. Step 3: Cross multiply
    36,124.60x = 54,138.30 × 25,724.20
  4. Step 4: Simplify right side
    36,124.60x = 1,392,664,456.86
  5. Step 5: Solve for x
    x = 1,392,664,456.86/36,124.60
  6. Step 6: Final answer
    x = 38,551.69

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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.