Home / 40,356.41-55,691.08-22,451.36

Finding the Fourth Proportional to 40,356.41, 55,691.08 and 22,451.36

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Solution

The fourth proportional to 40,356.41, 55,691.08 and 22,451.36 is: 30,982.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,356.41 : 55,691.08 = 22,451.36 : x
  2. Step 2: Convert to fraction form
    40,356.41/55,691.08 = 22,451.36/x
  3. Step 3: Cross multiply
    40,356.41x = 55,691.08 × 22,451.36
  4. Step 4: Simplify right side
    40,356.41x = 1,250,340,151.29
  5. Step 5: Solve for x
    x = 1,250,340,151.29/40,356.41
  6. Step 6: Final answer
    x = 30,982.45

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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.