Home / 39,713.22-54,805.05-22,718.97

Finding the Fourth Proportional to 39,713.22, 54,805.05 and 22,718.97

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Solution

The fourth proportional to 39,713.22, 54,805.05 and 22,718.97 is: 31,352.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,713.22 : 54,805.05 = 22,718.97 : x
  2. Step 2: Convert to fraction form
    39,713.22/54,805.05 = 22,718.97/x
  3. Step 3: Cross multiply
    39,713.22x = 54,805.05 × 22,718.97
  4. Step 4: Simplify right side
    39,713.22x = 1,245,114,286.80
  5. Step 5: Solve for x
    x = 1,245,114,286.80/39,713.22
  6. Step 6: Final answer
    x = 31,352.64

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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.