Home / 38,105.20-57,194.66-18,397.60

Finding the Fourth Proportional to 38,105.20, 57,194.66 and 18,397.60

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Solution

The fourth proportional to 38,105.20, 57,194.66 and 18,397.60 is: 27,614.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,105.20 : 57,194.66 = 18,397.60 : x
  2. Step 2: Convert to fraction form
    38,105.20/57,194.66 = 18,397.60/x
  3. Step 3: Cross multiply
    38,105.20x = 57,194.66 × 18,397.60
  4. Step 4: Simplify right side
    38,105.20x = 1,052,244,476.82
  5. Step 5: Solve for x
    x = 1,052,244,476.82/38,105.20
  6. Step 6: Final answer
    x = 27,614.20

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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.