Home / 38,119.11-57,201.14-15,930.78

Finding the Fourth Proportional to 38,119.11, 57,201.14 and 15,930.78

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Solution

The fourth proportional to 38,119.11, 57,201.14 and 15,930.78 is: 23,905.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,119.11 : 57,201.14 = 15,930.78 : x
  2. Step 2: Convert to fraction form
    38,119.11/57,201.14 = 15,930.78/x
  3. Step 3: Cross multiply
    38,119.11x = 57,201.14 × 15,930.78
  4. Step 4: Simplify right side
    38,119.11x = 911,258,512.80
  5. Step 5: Solve for x
    x = 911,258,512.80/38,119.11
  6. Step 6: Final answer
    x = 23,905.56

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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.