Home / 50,648.14-69,890.82-27,986.88

Finding the Fourth Proportional to 50,648.14, 69,890.82 and 27,986.88

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Solution

The fourth proportional to 50,648.14, 69,890.82 and 27,986.88 is: 38,619.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,648.14 : 69,890.82 = 27,986.88 : x
  2. Step 2: Convert to fraction form
    50,648.14/69,890.82 = 27,986.88/x
  3. Step 3: Cross multiply
    50,648.14x = 69,890.82 × 27,986.88
  4. Step 4: Simplify right side
    50,648.14x = 1,956,025,992.44
  5. Step 5: Solve for x
    x = 1,956,025,992.44/50,648.14
  6. Step 6: Final answer
    x = 38,619.90

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Double scale
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Similar ratio
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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.