Home / 38,115.88-57,177.60-15,936.19

Finding the Fourth Proportional to 38,115.88, 57,177.60 and 15,936.19

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Solution

The fourth proportional to 38,115.88, 57,177.60 and 15,936.19 is: 23,905.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,115.88 : 57,177.60 = 15,936.19 : x
  2. Step 2: Convert to fraction form
    38,115.88/57,177.60 = 15,936.19/x
  3. Step 3: Cross multiply
    38,115.88x = 57,177.60 × 15,936.19
  4. Step 4: Simplify right side
    38,115.88x = 911,193,097.34
  5. Step 5: Solve for x
    x = 911,193,097.34/38,115.88
  6. Step 6: Final answer
    x = 23,905.87

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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.