Home / 38,142.60-57,265.20-22,363.80

Finding the Fourth Proportional to 38,142.60, 57,265.20 and 22,363.80

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Solution

The fourth proportional to 38,142.60, 57,265.20 and 22,363.80 is: 33,575.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,142.60 : 57,265.20 = 22,363.80 : x
  2. Step 2: Convert to fraction form
    38,142.60/57,265.20 = 22,363.80/x
  3. Step 3: Cross multiply
    38,142.60x = 57,265.20 × 22,363.80
  4. Step 4: Simplify right side
    38,142.60x = 1,280,667,479.76
  5. Step 5: Solve for x
    x = 1,280,667,479.76/38,142.60
  6. Step 6: Final answer
    x = 33,575.78

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1.5x scale

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.