Home / 40,929.28-61,393.92-13,229.44

Finding the Fourth Proportional to 40,929.28, 61,393.92 and 13,229.44

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Solution

The fourth proportional to 40,929.28, 61,393.92 and 13,229.44 is: 19,844.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,929.28 : 61,393.92 = 13,229.44 : x
  2. Step 2: Convert to fraction form
    40,929.28/61,393.92 = 13,229.44/x
  3. Step 3: Cross multiply
    40,929.28x = 61,393.92 × 13,229.44
  4. Step 4: Simplify right side
    40,929.28x = 812,207,181.00
  5. Step 5: Solve for x
    x = 812,207,181.00/40,929.28
  6. Step 6: Final answer
    x = 19,844.16

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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.