Home / 40,162.28-55,424.39-22,257.63

Finding the Fourth Proportional to 40,162.28, 55,424.39 and 22,257.63

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Solution

The fourth proportional to 40,162.28, 55,424.39 and 22,257.63 is: 30,715.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,162.28 : 55,424.39 = 22,257.63 : x
  2. Step 2: Convert to fraction form
    40,162.28/55,424.39 = 22,257.63/x
  3. Step 3: Cross multiply
    40,162.28x = 55,424.39 × 22,257.63
  4. Step 4: Simplify right side
    40,162.28x = 1,233,615,454.31
  5. Step 5: Solve for x
    x = 1,233,615,454.31/40,162.28
  6. Step 6: Final answer
    x = 30,715.78

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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.