Home / 36,691.28-55,039.95-11,734.88

Finding the Fourth Proportional to 36,691.28, 55,039.95 and 11,734.88

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Solution

The fourth proportional to 36,691.28, 55,039.95 and 11,734.88 is: 17,603.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,691.28 : 55,039.95 = 11,734.88 : x
  2. Step 2: Convert to fraction form
    36,691.28/55,039.95 = 11,734.88/x
  3. Step 3: Cross multiply
    36,691.28x = 55,039.95 × 11,734.88
  4. Step 4: Simplify right side
    36,691.28x = 645,887,208.46
  5. Step 5: Solve for x
    x = 645,887,208.46/36,691.28
  6. Step 6: Final answer
    x = 17,603.29

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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.