Home / 57,979.74-86,982.01-17,997.85

Finding the Fourth Proportional to 57,979.74, 86,982.01 and 17,997.85

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Solution

The fourth proportional to 57,979.74, 86,982.01 and 17,997.85 is: 27,000.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,979.74 : 86,982.01 = 17,997.85 : x
  2. Step 2: Convert to fraction form
    57,979.74/86,982.01 = 17,997.85/x
  3. Step 3: Cross multiply
    57,979.74x = 86,982.01 × 17,997.85
  4. Step 4: Simplify right side
    57,979.74x = 1,565,488,643.78
  5. Step 5: Solve for x
    x = 1,565,488,643.78/57,979.74
  6. Step 6: Final answer
    x = 27,000.62

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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.