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Finding the Fourth Proportional to 29,164.56, 43,745.16 and 17,469.84

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Solution

The fourth proportional to 29,164.56, 43,745.16 and 17,469.84 is: 26,203.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,164.56 : 43,745.16 = 17,469.84 : x
  2. Step 2: Convert to fraction form
    29,164.56/43,745.16 = 17,469.84/x
  3. Step 3: Cross multiply
    29,164.56x = 43,745.16 × 17,469.84
  4. Step 4: Simplify right side
    29,164.56x = 764,220,945.97
  5. Step 5: Solve for x
    x = 764,220,945.97/29,164.56
  6. Step 6: Final answer
    x = 26,203.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.