Home / 38,753.20-58,086.60-22,121.20

Finding the Fourth Proportional to 38,753.20, 58,086.60 and 22,121.20

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Solution

The fourth proportional to 38,753.20, 58,086.60 and 22,121.20 is: 33,157.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,753.20 : 58,086.60 = 22,121.20 : x
  2. Step 2: Convert to fraction form
    38,753.20/58,086.60 = 22,121.20/x
  3. Step 3: Cross multiply
    38,753.20x = 58,086.60 × 22,121.20
  4. Step 4: Simplify right side
    38,753.20x = 1,284,945,295.92
  5. Step 5: Solve for x
    x = 1,284,945,295.92/38,753.20
  6. Step 6: Final answer
    x = 33,157.14

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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.