Home / 39,728.91-54,810.21-25,589.97

Finding the Fourth Proportional to 39,728.91, 54,810.21 and 25,589.97

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Solution

The fourth proportional to 39,728.91, 54,810.21 and 25,589.97 is: 35,304.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,728.91 : 54,810.21 = 25,589.97 : x
  2. Step 2: Convert to fraction form
    39,728.91/54,810.21 = 25,589.97/x
  3. Step 3: Cross multiply
    39,728.91x = 54,810.21 × 25,589.97
  4. Step 4: Simplify right side
    39,728.91x = 1,402,591,629.59
  5. Step 5: Solve for x
    x = 1,402,591,629.59/39,728.91
  6. Step 6: Final answer
    x = 35,304.06

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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.