Home / 40,162.56-55,425.33-22,257.78

Finding the Fourth Proportional to 40,162.56, 55,425.33 and 22,257.78

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Solution

The fourth proportional to 40,162.56, 55,425.33 and 22,257.78 is: 30,716.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,162.56 : 55,425.33 = 22,257.78 : x
  2. Step 2: Convert to fraction form
    40,162.56/55,425.33 = 22,257.78/x
  3. Step 3: Cross multiply
    40,162.56x = 55,425.33 × 22,257.78
  4. Step 4: Simplify right side
    40,162.56x = 1,233,644,801.57
  5. Step 5: Solve for x
    x = 1,233,644,801.57/40,162.56
  6. Step 6: Final answer
    x = 30,716.29

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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.