Home / 33,049.32-45,591.17-21,100.10

Finding the Fourth Proportional to 33,049.32, 45,591.17 and 21,100.10

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Solution

The fourth proportional to 33,049.32, 45,591.17 and 21,100.10 is: 29,107.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,049.32 : 45,591.17 = 21,100.10 : x
  2. Step 2: Convert to fraction form
    33,049.32/45,591.17 = 21,100.10/x
  3. Step 3: Cross multiply
    33,049.32x = 45,591.17 × 21,100.10
  4. Step 4: Simplify right side
    33,049.32x = 961,978,246.12
  5. Step 5: Solve for x
    x = 961,978,246.12/33,049.32
  6. Step 6: Final answer
    x = 29,107.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.