Home / 29,203.20-43,747.20-27,129.60

Finding the Fourth Proportional to 29,203.20, 43,747.20 and 27,129.60

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Solution

The fourth proportional to 29,203.20, 43,747.20 and 27,129.60 is: 40,640.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,203.20 : 43,747.20 = 27,129.60 : x
  2. Step 2: Convert to fraction form
    29,203.20/43,747.20 = 27,129.60/x
  3. Step 3: Cross multiply
    29,203.20x = 43,747.20 × 27,129.60
  4. Step 4: Simplify right side
    29,203.20x = 1,186,844,037.12
  5. Step 5: Solve for x
    x = 1,186,844,037.12/29,203.20
  6. Step 6: Final answer
    x = 40,640.89

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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.