Home / 50,442.72-69,610.30-27,781.28

Finding the Fourth Proportional to 50,442.72, 69,610.30 and 27,781.28

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Solution

The fourth proportional to 50,442.72, 69,610.30 and 27,781.28 is: 38,337.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,442.72 : 69,610.30 = 27,781.28 : x
  2. Step 2: Convert to fraction form
    50,442.72/69,610.30 = 27,781.28/x
  3. Step 3: Cross multiply
    50,442.72x = 69,610.30 × 27,781.28
  4. Step 4: Simplify right side
    50,442.72x = 1,933,863,235.18
  5. Step 5: Solve for x
    x = 1,933,863,235.18/50,442.72
  6. Step 6: Final answer
    x = 38,337.81

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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.