Home / 39,292.18-58,932.42-12,997.06

Finding the Fourth Proportional to 39,292.18, 58,932.42 and 12,997.06

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Solution

The fourth proportional to 39,292.18, 58,932.42 and 12,997.06 is: 19,493.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,292.18 : 58,932.42 = 12,997.06 : x
  2. Step 2: Convert to fraction form
    39,292.18/58,932.42 = 12,997.06/x
  3. Step 3: Cross multiply
    39,292.18x = 58,932.42 × 12,997.06
  4. Step 4: Simplify right side
    39,292.18x = 765,948,198.69
  5. Step 5: Solve for x
    x = 765,948,198.69/39,292.18
  6. Step 6: Final answer
    x = 19,493.65

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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.