Home / 36,519.24-50,397.19-21,422.78

Finding the Fourth Proportional to 36,519.24, 50,397.19 and 21,422.78

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Solution

The fourth proportional to 36,519.24, 50,397.19 and 21,422.78 is: 29,563.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,519.24 : 50,397.19 = 21,422.78 : x
  2. Step 2: Convert to fraction form
    36,519.24/50,397.19 = 21,422.78/x
  3. Step 3: Cross multiply
    36,519.24x = 50,397.19 × 21,422.78
  4. Step 4: Simplify right side
    36,519.24x = 1,079,647,797.43
  5. Step 5: Solve for x
    x = 1,079,647,797.43/36,519.24
  6. Step 6: Final answer
    x = 29,563.81

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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.