Home / 49,753.67-74,575.40-20,162.75

Finding the Fourth Proportional to 49,753.67, 74,575.40 and 20,162.75

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Solution

The fourth proportional to 49,753.67, 74,575.40 and 20,162.75 is: 30,221.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,753.67 : 74,575.40 = 20,162.75 : x
  2. Step 2: Convert to fraction form
    49,753.67/74,575.40 = 20,162.75/x
  3. Step 3: Cross multiply
    49,753.67x = 74,575.40 × 20,162.75
  4. Step 4: Simplify right side
    49,753.67x = 1,503,644,672.66
  5. Step 5: Solve for x
    x = 1,503,644,672.66/49,753.67
  6. Step 6: Final answer
    x = 30,221.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.