Home / 33,306.12-45,940.68-21,350.52

Finding the Fourth Proportional to 33,306.12, 45,940.68 and 21,350.52

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Solution

The fourth proportional to 33,306.12, 45,940.68 and 21,350.52 is: 29,449.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,306.12 : 45,940.68 = 21,350.52 : x
  2. Step 2: Convert to fraction form
    33,306.12/45,940.68 = 21,350.52/x
  3. Step 3: Cross multiply
    33,306.12x = 45,940.68 × 21,350.52
  4. Step 4: Simplify right side
    33,306.12x = 980,857,407.15
  5. Step 5: Solve for x
    x = 980,857,407.15/33,306.12
  6. Step 6: Final answer
    x = 29,449.77

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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.