Home / 40,356.28-55,691.40-22,206.88

Finding the Fourth Proportional to 40,356.28, 55,691.40 and 22,206.88

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Solution

The fourth proportional to 40,356.28, 55,691.40 and 22,206.88 is: 30,645.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,356.28 : 55,691.40 = 22,206.88 : x
  2. Step 2: Convert to fraction form
    40,356.28/55,691.40 = 22,206.88/x
  3. Step 3: Cross multiply
    40,356.28x = 55,691.40 × 22,206.88
  4. Step 4: Simplify right side
    40,356.28x = 1,236,732,236.83
  5. Step 5: Solve for x
    x = 1,236,732,236.83/40,356.28
  6. Step 6: Final answer
    x = 30,645.35

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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.