Home / 33,169.66-45,759.60-21,824.56

Finding the Fourth Proportional to 33,169.66, 45,759.60 and 21,824.56

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Solution

The fourth proportional to 33,169.66, 45,759.60 and 21,824.56 is: 30,108.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,169.66 : 45,759.60 = 21,824.56 : x
  2. Step 2: Convert to fraction form
    33,169.66/45,759.60 = 21,824.56/x
  3. Step 3: Cross multiply
    33,169.66x = 45,759.60 × 21,824.56
  4. Step 4: Simplify right side
    33,169.66x = 998,683,135.78
  5. Step 5: Solve for x
    x = 998,683,135.78/33,169.66
  6. Step 6: Final answer
    x = 30,108.33

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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.