Home / 31,233.75-43,102.56-17,086.60

Finding the Fourth Proportional to 31,233.75, 43,102.56 and 17,086.60

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Solution

The fourth proportional to 31,233.75, 43,102.56 and 17,086.60 is: 23,579.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,233.75 : 43,102.56 = 17,086.60 : x
  2. Step 2: Convert to fraction form
    31,233.75/43,102.56 = 17,086.60/x
  3. Step 3: Cross multiply
    31,233.75x = 43,102.56 × 17,086.60
  4. Step 4: Simplify right side
    31,233.75x = 736,476,201.70
  5. Step 5: Solve for x
    x = 736,476,201.70/31,233.75
  6. Step 6: Final answer
    x = 23,579.50

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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.