Home / 33,034.87-45,625.97-21,754.79

Finding the Fourth Proportional to 33,034.87, 45,625.97 and 21,754.79

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Solution

The fourth proportional to 33,034.87, 45,625.97 and 21,754.79 is: 30,046.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,034.87 : 45,625.97 = 21,754.79 : x
  2. Step 2: Convert to fraction form
    33,034.87/45,625.97 = 21,754.79/x
  3. Step 3: Cross multiply
    33,034.87x = 45,625.97 × 21,754.79
  4. Step 4: Simplify right side
    33,034.87x = 992,583,140.57
  5. Step 5: Solve for x
    x = 992,583,140.57/33,034.87
  6. Step 6: Final answer
    x = 30,046.53

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1.5x scale

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.