Home / 57,451.20-86,225.40-25,909.80

Finding the Fourth Proportional to 57,451.20, 86,225.40 and 25,909.80

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Solution

The fourth proportional to 57,451.20, 86,225.40 and 25,909.80 is: 38,886.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,451.20 : 86,225.40 = 25,909.80 : x
  2. Step 2: Convert to fraction form
    57,451.20/86,225.40 = 25,909.80/x
  3. Step 3: Cross multiply
    57,451.20x = 86,225.40 × 25,909.80
  4. Step 4: Simplify right side
    57,451.20x = 2,234,082,868.92
  5. Step 5: Solve for x
    x = 2,234,082,868.92/57,451.20
  6. Step 6: Final answer
    x = 38,886.62

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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.