Home / 40,173.28-55,439.68-22,025.71

Finding the Fourth Proportional to 40,173.28, 55,439.68 and 22,025.71

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Solution

The fourth proportional to 40,173.28, 55,439.68 and 22,025.71 is: 30,395.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,173.28 : 55,439.68 = 22,025.71 : x
  2. Step 2: Convert to fraction form
    40,173.28/55,439.68 = 22,025.71/x
  3. Step 3: Cross multiply
    40,173.28x = 55,439.68 × 22,025.71
  4. Step 4: Simplify right side
    40,173.28x = 1,221,097,981.91
  5. Step 5: Solve for x
    x = 1,221,097,981.91/40,173.28
  6. Step 6: Final answer
    x = 30,395.78

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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.