Home / 31,724.19-43,679.66-25,775.55

Finding the Fourth Proportional to 31,724.19, 43,679.66 and 25,775.55

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Solution

The fourth proportional to 31,724.19, 43,679.66 and 25,775.55 is: 35,489.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,724.19 : 43,679.66 = 25,775.55 : x
  2. Step 2: Convert to fraction form
    31,724.19/43,679.66 = 25,775.55/x
  3. Step 3: Cross multiply
    31,724.19x = 43,679.66 × 25,775.55
  4. Step 4: Simplify right side
    31,724.19x = 1,125,867,131.44
  5. Step 5: Solve for x
    x = 1,125,867,131.44/31,724.19
  6. Step 6: Final answer
    x = 35,489.23

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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.