Home / 51,843.96-71,540.94-29,181.78

Finding the Fourth Proportional to 51,843.96, 71,540.94 and 29,181.78

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Solution

The fourth proportional to 51,843.96, 71,540.94 and 29,181.78 is: 40,268.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,843.96 : 71,540.94 = 29,181.78 : x
  2. Step 2: Convert to fraction form
    51,843.96/71,540.94 = 29,181.78/x
  3. Step 3: Cross multiply
    51,843.96x = 71,540.94 × 29,181.78
  4. Step 4: Simplify right side
    51,843.96x = 2,087,691,972.07
  5. Step 5: Solve for x
    x = 2,087,691,972.07/51,843.96
  6. Step 6: Final answer
    x = 40,268.76

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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.