Home / 36,691.38-55,037.07-14,515.20

Finding the Fourth Proportional to 36,691.38, 55,037.07 and 14,515.20

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Solution

The fourth proportional to 36,691.38, 55,037.07 and 14,515.20 is: 21,772.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,691.38 : 55,037.07 = 14,515.20 : x
  2. Step 2: Convert to fraction form
    36,691.38/55,037.07 = 14,515.20/x
  3. Step 3: Cross multiply
    36,691.38x = 55,037.07 × 14,515.20
  4. Step 4: Simplify right side
    36,691.38x = 798,874,078.46
  5. Step 5: Solve for x
    x = 798,874,078.46/36,691.38
  6. Step 6: Final answer
    x = 21,772.80

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1.5x scale

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.