Home / 40,229.85-55,512.67-22,325.61

Finding the Fourth Proportional to 40,229.85, 55,512.67 and 22,325.61

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Solution

The fourth proportional to 40,229.85, 55,512.67 and 22,325.61 is: 30,806.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,229.85 : 55,512.67 = 22,325.61 : x
  2. Step 2: Convert to fraction form
    40,229.85/55,512.67 = 22,325.61/x
  3. Step 3: Cross multiply
    40,229.85x = 55,512.67 × 22,325.61
  4. Step 4: Simplify right side
    40,229.85x = 1,239,354,220.48
  5. Step 5: Solve for x
    x = 1,239,354,220.48/40,229.85
  6. Step 6: Final answer
    x = 30,806.83

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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.