Home / 32,481.05-44,810.55-21,874.10

Finding the Fourth Proportional to 32,481.05, 44,810.55 and 21,874.10

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Solution

The fourth proportional to 32,481.05, 44,810.55 and 21,874.10 is: 30,177.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,481.05 : 44,810.55 = 21,874.10 : x
  2. Step 2: Convert to fraction form
    32,481.05/44,810.55 = 21,874.10/x
  3. Step 3: Cross multiply
    32,481.05x = 44,810.55 × 21,874.10
  4. Step 4: Simplify right side
    32,481.05x = 980,190,227.70
  5. Step 5: Solve for x
    x = 980,190,227.70/32,481.05
  6. Step 6: Final answer
    x = 30,177.30

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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.