Home / 40,222.35-55,508.11-22,318.68

Finding the Fourth Proportional to 40,222.35, 55,508.11 and 22,318.68

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Solution

The fourth proportional to 40,222.35, 55,508.11 and 22,318.68 is: 30,800.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,222.35 : 55,508.11 = 22,318.68 : x
  2. Step 2: Convert to fraction form
    40,222.35/55,508.11 = 22,318.68/x
  3. Step 3: Cross multiply
    40,222.35x = 55,508.11 × 22,318.68
  4. Step 4: Simplify right side
    40,222.35x = 1,238,867,569.33
  5. Step 5: Solve for x
    x = 1,238,867,569.33/40,222.35
  6. Step 6: Final answer
    x = 30,800.48

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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.