Home / 38,201.40-57,314.10-18,480.60

Finding the Fourth Proportional to 38,201.40, 57,314.10 and 18,480.60

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Solution

The fourth proportional to 38,201.40, 57,314.10 and 18,480.60 is: 27,726.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,201.40 : 57,314.10 = 18,480.60 : x
  2. Step 2: Convert to fraction form
    38,201.40/57,314.10 = 18,480.60/x
  3. Step 3: Cross multiply
    38,201.40x = 57,314.10 × 18,480.60
  4. Step 4: Simplify right side
    38,201.40x = 1,059,198,956.46
  5. Step 5: Solve for x
    x = 1,059,198,956.46/38,201.40
  6. Step 6: Final answer
    x = 27,726.71

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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.