Home / 34,481.12-51,728.20-11,101.28

Finding the Fourth Proportional to 34,481.12, 51,728.20 and 11,101.28

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Solution

The fourth proportional to 34,481.12, 51,728.20 and 11,101.28 is: 16,654.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,481.12 : 51,728.20 = 11,101.28 : x
  2. Step 2: Convert to fraction form
    34,481.12/51,728.20 = 11,101.28/x
  3. Step 3: Cross multiply
    34,481.12x = 51,728.20 × 11,101.28
  4. Step 4: Simplify right side
    34,481.12x = 574,249,232.10
  5. Step 5: Solve for x
    x = 574,249,232.10/34,481.12
  6. Step 6: Final answer
    x = 16,654.02

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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.