Home / 29,291.32-43,930.40-13,481.20

Finding the Fourth Proportional to 29,291.32, 43,930.40 and 13,481.20

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Solution

The fourth proportional to 29,291.32, 43,930.40 and 13,481.20 is: 20,218.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,291.32 : 43,930.40 = 13,481.20 : x
  2. Step 2: Convert to fraction form
    29,291.32/43,930.40 = 13,481.20/x
  3. Step 3: Cross multiply
    29,291.32x = 43,930.40 × 13,481.20
  4. Step 4: Simplify right side
    29,291.32x = 592,234,508.48
  5. Step 5: Solve for x
    x = 592,234,508.48/29,291.32
  6. Step 6: Final answer
    x = 20,218.77

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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.