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Finding the Fourth Proportional to 29,896.60, 44,786.56 and 18,180.76

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Solution

The fourth proportional to 29,896.60, 44,786.56 and 18,180.76 is: 27,235.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,896.60 : 44,786.56 = 18,180.76 : x
  2. Step 2: Convert to fraction form
    29,896.60/44,786.56 = 18,180.76/x
  3. Step 3: Cross multiply
    29,896.60x = 44,786.56 × 18,180.76
  4. Step 4: Simplify right side
    29,896.60x = 814,253,698.59
  5. Step 5: Solve for x
    x = 814,253,698.59/29,896.60
  6. Step 6: Final answer
    x = 27,235.66

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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.