Home / 39,843.92-59,774.52-12,144.08

Finding the Fourth Proportional to 39,843.92, 59,774.52 and 12,144.08

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Solution

The fourth proportional to 39,843.92, 59,774.52 and 12,144.08 is: 18,218.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,843.92 : 59,774.52 = 12,144.08 : x
  2. Step 2: Convert to fraction form
    39,843.92/59,774.52 = 12,144.08/x
  3. Step 3: Cross multiply
    39,843.92x = 59,774.52 × 12,144.08
  4. Step 4: Simplify right side
    39,843.92x = 725,906,552.84
  5. Step 5: Solve for x
    x = 725,906,552.84/39,843.92
  6. Step 6: Final answer
    x = 18,218.75

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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.