Home / 38,338.11-57,512.97-12,040.38

Finding the Fourth Proportional to 38,338.11, 57,512.97 and 12,040.38

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Solution

The fourth proportional to 38,338.11, 57,512.97 and 12,040.38 is: 18,062.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,338.11 : 57,512.97 = 12,040.38 : x
  2. Step 2: Convert to fraction form
    38,338.11/57,512.97 = 12,040.38/x
  3. Step 3: Cross multiply
    38,338.11x = 57,512.97 × 12,040.38
  4. Step 4: Simplify right side
    38,338.11x = 692,478,013.73
  5. Step 5: Solve for x
    x = 692,478,013.73/38,338.11
  6. Step 6: Final answer
    x = 18,062.39

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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.