Home / 50,500.82-75,753.50-18,902.65

Finding the Fourth Proportional to 50,500.82, 75,753.50 and 18,902.65

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Solution

The fourth proportional to 50,500.82, 75,753.50 and 18,902.65 is: 28,354.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,500.82 : 75,753.50 = 18,902.65 : x
  2. Step 2: Convert to fraction form
    50,500.82/75,753.50 = 18,902.65/x
  3. Step 3: Cross multiply
    50,500.82x = 75,753.50 × 18,902.65
  4. Step 4: Simplify right side
    50,500.82x = 1,431,941,896.78
  5. Step 5: Solve for x
    x = 1,431,941,896.78/50,500.82
  6. Step 6: Final answer
    x = 28,354.83

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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.