Home / 36,324.97-50,126.14-21,221.90

Finding the Fourth Proportional to 36,324.97, 50,126.14 and 21,221.90

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Solution

The fourth proportional to 36,324.97, 50,126.14 and 21,221.90 is: 29,284.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,324.97 : 50,126.14 = 21,221.90 : x
  2. Step 2: Convert to fraction form
    36,324.97/50,126.14 = 21,221.90/x
  3. Step 3: Cross multiply
    36,324.97x = 50,126.14 × 21,221.90
  4. Step 4: Simplify right side
    36,324.97x = 1,063,771,930.47
  5. Step 5: Solve for x
    x = 1,063,771,930.47/36,324.97
  6. Step 6: Final answer
    x = 29,284.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.