Home / 38,841.74-58,250.25-12,540.36

Finding the Fourth Proportional to 38,841.74, 58,250.25 and 12,540.36

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Solution

The fourth proportional to 38,841.74, 58,250.25 and 12,540.36 is: 18,806.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,841.74 : 58,250.25 = 12,540.36 : x
  2. Step 2: Convert to fraction form
    38,841.74/58,250.25 = 12,540.36/x
  3. Step 3: Cross multiply
    38,841.74x = 58,250.25 × 12,540.36
  4. Step 4: Simplify right side
    38,841.74x = 730,479,105.09
  5. Step 5: Solve for x
    x = 730,479,105.09/38,841.74
  6. Step 6: Final answer
    x = 18,806.55

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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.