Home / 38,129.24-57,201.05-14,443.88

Finding the Fourth Proportional to 38,129.24, 57,201.05 and 14,443.88

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Solution

The fourth proportional to 38,129.24, 57,201.05 and 14,443.88 is: 21,668.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,129.24 : 57,201.05 = 14,443.88 : x
  2. Step 2: Convert to fraction form
    38,129.24/57,201.05 = 14,443.88/x
  3. Step 3: Cross multiply
    38,129.24x = 57,201.05 × 14,443.88
  4. Step 4: Simplify right side
    38,129.24x = 826,204,743.85
  5. Step 5: Solve for x
    x = 826,204,743.85/38,129.24
  6. Step 6: Final answer
    x = 21,668.54

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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.