Home / 39,309.75-54,248.67-22,542.75

Finding the Fourth Proportional to 39,309.75, 54,248.67 and 22,542.75

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Solution

The fourth proportional to 39,309.75, 54,248.67 and 22,542.75 is: 31,109.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,309.75 : 54,248.67 = 22,542.75 : x
  2. Step 2: Convert to fraction form
    39,309.75/54,248.67 = 22,542.75/x
  3. Step 3: Cross multiply
    39,309.75x = 54,248.67 × 22,542.75
  4. Step 4: Simplify right side
    39,309.75x = 1,222,914,205.64
  5. Step 5: Solve for x
    x = 1,222,914,205.64/39,309.75
  6. Step 6: Final answer
    x = 31,109.69

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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.