Home / 57,345.30-86,019.39-27,757.62

Finding the Fourth Proportional to 57,345.30, 86,019.39 and 27,757.62

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Solution

The fourth proportional to 57,345.30, 86,019.39 and 27,757.62 is: 41,637.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,345.30 : 86,019.39 = 27,757.62 : x
  2. Step 2: Convert to fraction form
    57,345.30/86,019.39 = 27,757.62/x
  3. Step 3: Cross multiply
    57,345.30x = 86,019.39 × 27,757.62
  4. Step 4: Simplify right side
    57,345.30x = 2,387,693,540.25
  5. Step 5: Solve for x
    x = 2,387,693,540.25/57,345.30
  6. Step 6: Final answer
    x = 41,637.13

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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.