Home / 57,498.49-86,251.39-18,057.16

Finding the Fourth Proportional to 57,498.49, 86,251.39 and 18,057.16

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Solution

The fourth proportional to 57,498.49, 86,251.39 and 18,057.16 is: 27,086.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,498.49 : 86,251.39 = 18,057.16 : x
  2. Step 2: Convert to fraction form
    57,498.49/86,251.39 = 18,057.16/x
  3. Step 3: Cross multiply
    57,498.49x = 86,251.39 × 18,057.16
  4. Step 4: Simplify right side
    57,498.49x = 1,557,455,149.45
  5. Step 5: Solve for x
    x = 1,557,455,149.45/57,498.49
  6. Step 6: Final answer
    x = 27,086.89

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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.