Home / 39,310.88-54,236.56-22,540.96

Finding the Fourth Proportional to 39,310.88, 54,236.56 and 22,540.96

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Solution

The fourth proportional to 39,310.88, 54,236.56 and 22,540.96 is: 31,099.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,310.88 : 54,236.56 = 22,540.96 : x
  2. Step 2: Convert to fraction form
    39,310.88/54,236.56 = 22,540.96/x
  3. Step 3: Cross multiply
    39,310.88x = 54,236.56 × 22,540.96
  4. Step 4: Simplify right side
    39,310.88x = 1,222,544,129.50
  5. Step 5: Solve for x
    x = 1,222,544,129.50/39,310.88
  6. Step 6: Final answer
    x = 31,099.38

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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.