Home / 40,231.28-55,519.68-22,326.80

Finding the Fourth Proportional to 40,231.28, 55,519.68 and 22,326.80

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Solution

The fourth proportional to 40,231.28, 55,519.68 and 22,326.80 is: 30,811.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,231.28 : 55,519.68 = 22,326.80 : x
  2. Step 2: Convert to fraction form
    40,231.28/55,519.68 = 22,326.80/x
  3. Step 3: Cross multiply
    40,231.28x = 55,519.68 × 22,326.80
  4. Step 4: Simplify right side
    40,231.28x = 1,239,576,791.42
  5. Step 5: Solve for x
    x = 1,239,576,791.42/40,231.28
  6. Step 6: Final answer
    x = 30,811.27

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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.