Home / 39,239.75-54,149.10-22,243.75

Finding the Fourth Proportional to 39,239.75, 54,149.10 and 22,243.75

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Solution

The fourth proportional to 39,239.75, 54,149.10 and 22,243.75 is: 30,695.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,239.75 : 54,149.10 = 22,243.75 : x
  2. Step 2: Convert to fraction form
    39,239.75/54,149.10 = 22,243.75/x
  3. Step 3: Cross multiply
    39,239.75x = 54,149.10 × 22,243.75
  4. Step 4: Simplify right side
    39,239.75x = 1,204,479,043.13
  5. Step 5: Solve for x
    x = 1,204,479,043.13/39,239.75
  6. Step 6: Final answer
    x = 30,695.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.