Home / 39,144.33-58,722.62-12,843.09

Finding the Fourth Proportional to 39,144.33, 58,722.62 and 12,843.09

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Solution

The fourth proportional to 39,144.33, 58,722.62 and 12,843.09 is: 19,266.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,144.33 : 58,722.62 = 12,843.09 : x
  2. Step 2: Convert to fraction form
    39,144.33/58,722.62 = 12,843.09/x
  3. Step 3: Cross multiply
    39,144.33x = 58,722.62 × 12,843.09
  4. Step 4: Simplify right side
    39,144.33x = 754,179,829.48
  5. Step 5: Solve for x
    x = 754,179,829.48/39,144.33
  6. Step 6: Final answer
    x = 19,266.64

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1.5x scale

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.