Home / 33,063.19-45,604.60-21,121.18

Finding the Fourth Proportional to 33,063.19, 45,604.60 and 21,121.18

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Solution

The fourth proportional to 33,063.19, 45,604.60 and 21,121.18 is: 29,132.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,063.19 : 45,604.60 = 21,121.18 : x
  2. Step 2: Convert to fraction form
    33,063.19/45,604.60 = 21,121.18/x
  3. Step 3: Cross multiply
    33,063.19x = 45,604.60 × 21,121.18
  4. Step 4: Simplify right side
    33,063.19x = 963,222,965.43
  5. Step 5: Solve for x
    x = 963,222,965.43/33,063.19
  6. Step 6: Final answer
    x = 29,132.79

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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.