Home / 38,549.20-57,780.60-16,358.80

Finding the Fourth Proportional to 38,549.20, 57,780.60 and 16,358.80

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Solution

The fourth proportional to 38,549.20, 57,780.60 and 16,358.80 is: 24,519.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,549.20 : 57,780.60 = 16,358.80 : x
  2. Step 2: Convert to fraction form
    38,549.20/57,780.60 = 16,358.80/x
  3. Step 3: Cross multiply
    38,549.20x = 57,780.60 × 16,358.80
  4. Step 4: Simplify right side
    38,549.20x = 945,221,279.28
  5. Step 5: Solve for x
    x = 945,221,279.28/38,549.20
  6. Step 6: Final answer
    x = 24,519.87

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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.