Home / 36,691.48-55,037.22-13,317.88

Finding the Fourth Proportional to 36,691.48, 55,037.22 and 13,317.88

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Solution

The fourth proportional to 36,691.48, 55,037.22 and 13,317.88 is: 19,976.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,691.48 : 55,037.22 = 13,317.88 : x
  2. Step 2: Convert to fraction form
    36,691.48/55,037.22 = 13,317.88/x
  3. Step 3: Cross multiply
    36,691.48x = 55,037.22 × 13,317.88
  4. Step 4: Simplify right side
    36,691.48x = 732,979,091.49
  5. Step 5: Solve for x
    x = 732,979,091.49/36,691.48
  6. Step 6: Final answer
    x = 19,976.82

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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.