Home / 32,843.21-45,324.89-18,508.75

Finding the Fourth Proportional to 32,843.21, 45,324.89 and 18,508.75

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Solution

The fourth proportional to 32,843.21, 45,324.89 and 18,508.75 is: 25,542.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,843.21 : 45,324.89 = 18,508.75 : x
  2. Step 2: Convert to fraction form
    32,843.21/45,324.89 = 18,508.75/x
  3. Step 3: Cross multiply
    32,843.21x = 45,324.89 × 18,508.75
  4. Step 4: Simplify right side
    32,843.21x = 838,906,990.75
  5. Step 5: Solve for x
    x = 838,906,990.75/32,843.21
  6. Step 6: Final answer
    x = 25,542.78

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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.