Home / 39,149.25-58,734.47-27,918.78

Finding the Fourth Proportional to 39,149.25, 58,734.47 and 27,918.78

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Solution

The fourth proportional to 39,149.25, 58,734.47 and 27,918.78 is: 41,885.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,149.25 : 58,734.47 = 27,918.78 : x
  2. Step 2: Convert to fraction form
    39,149.25/58,734.47 = 27,918.78/x
  3. Step 3: Cross multiply
    39,149.25x = 58,734.47 × 27,918.78
  4. Step 4: Simplify right side
    39,149.25x = 1,639,794,746.35
  5. Step 5: Solve for x
    x = 1,639,794,746.35/39,149.25
  6. Step 6: Final answer
    x = 41,885.73

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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.