Home / 34,481.28-51,644.16-28,260.48

Finding the Fourth Proportional to 34,481.28, 51,644.16 and 28,260.48

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Solution

The fourth proportional to 34,481.28, 51,644.16 and 28,260.48 is: 42,326.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,481.28 : 51,644.16 = 28,260.48 : x
  2. Step 2: Convert to fraction form
    34,481.28/51,644.16 = 28,260.48/x
  3. Step 3: Cross multiply
    34,481.28x = 51,644.16 × 28,260.48
  4. Step 4: Simplify right side
    34,481.28x = 1,459,488,750.80
  5. Step 5: Solve for x
    x = 1,459,488,750.80/34,481.28
  6. Step 6: Final answer
    x = 42,326.99

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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.