Home / 36,691.30-55,032.36-11,729.28

Finding the Fourth Proportional to 36,691.30, 55,032.36 and 11,729.28

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Solution

The fourth proportional to 36,691.30, 55,032.36 and 11,729.28 is: 17,592.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,691.30 : 55,032.36 = 11,729.28 : x
  2. Step 2: Convert to fraction form
    36,691.30/55,032.36 = 11,729.28/x
  3. Step 3: Cross multiply
    36,691.30x = 55,032.36 × 11,729.28
  4. Step 4: Simplify right side
    36,691.30x = 645,490,033.09
  5. Step 5: Solve for x
    x = 645,490,033.09/36,691.30
  6. Step 6: Final answer
    x = 17,592.45

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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.