Home / 33,049.82-45,591.86-21,100.60

Finding the Fourth Proportional to 33,049.82, 45,591.86 and 21,100.60

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Solution

The fourth proportional to 33,049.82, 45,591.86 and 21,100.60 is: 29,108.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,049.82 : 45,591.86 = 21,100.60 : x
  2. Step 2: Convert to fraction form
    33,049.82/45,591.86 = 21,100.60/x
  3. Step 3: Cross multiply
    33,049.82x = 45,591.86 × 21,100.60
  4. Step 4: Simplify right side
    33,049.82x = 962,015,601.12
  5. Step 5: Solve for x
    x = 962,015,601.12/33,049.82
  6. Step 6: Final answer
    x = 29,108.04

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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.