Home / 40,231.55-55,517.60-22,081.84

Finding the Fourth Proportional to 40,231.55, 55,517.60 and 22,081.84

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Solution

The fourth proportional to 40,231.55, 55,517.60 and 22,081.84 is: 30,471.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,231.55 : 55,517.60 = 22,081.84 : x
  2. Step 2: Convert to fraction form
    40,231.55/55,517.60 = 22,081.84/x
  3. Step 3: Cross multiply
    40,231.55x = 55,517.60 × 22,081.84
  4. Step 4: Simplify right side
    40,231.55x = 1,225,930,676.79
  5. Step 5: Solve for x
    x = 1,225,930,676.79/40,231.55
  6. Step 6: Final answer
    x = 30,471.87

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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.