Home / 40,112.46-55,355.63-22,207.76

Finding the Fourth Proportional to 40,112.46, 55,355.63 and 22,207.76

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Solution

The fourth proportional to 40,112.46, 55,355.63 and 22,207.76 is: 30,646.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,112.46 : 55,355.63 = 22,207.76 : x
  2. Step 2: Convert to fraction form
    40,112.46/55,355.63 = 22,207.76/x
  3. Step 3: Cross multiply
    40,112.46x = 55,355.63 × 22,207.76
  4. Step 4: Simplify right side
    40,112.46x = 1,229,324,545.69
  5. Step 5: Solve for x
    x = 1,229,324,545.69/40,112.46
  6. Step 6: Final answer
    x = 30,646.95

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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.