Home / 50,648.90-69,899.68-27,992.31

Finding the Fourth Proportional to 50,648.90, 69,899.68 and 27,992.31

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Solution

The fourth proportional to 50,648.90, 69,899.68 and 27,992.31 is: 38,631.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,648.90 : 69,899.68 = 27,992.31 : x
  2. Step 2: Convert to fraction form
    50,648.90/69,899.68 = 27,992.31/x
  3. Step 3: Cross multiply
    50,648.90x = 69,899.68 × 27,992.31
  4. Step 4: Simplify right side
    50,648.90x = 1,956,653,559.65
  5. Step 5: Solve for x
    x = 1,956,653,559.65/50,648.90
  6. Step 6: Final answer
    x = 38,631.71

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Double scale
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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.