Home / 39,227.76-54,129.60-22,233.96

Finding the Fourth Proportional to 39,227.76, 54,129.60 and 22,233.96

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Solution

The fourth proportional to 39,227.76, 54,129.60 and 22,233.96 is: 30,680.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,227.76 : 54,129.60 = 22,233.96 : x
  2. Step 2: Convert to fraction form
    39,227.76/54,129.60 = 22,233.96/x
  3. Step 3: Cross multiply
    39,227.76x = 54,129.60 × 22,233.96
  4. Step 4: Simplify right side
    39,227.76x = 1,203,515,361.22
  5. Step 5: Solve for x
    x = 1,203,515,361.22/39,227.76
  6. Step 6: Final answer
    x = 30,680.20

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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.