Home / 33,099.20-45,687.52-21,194.60

Finding the Fourth Proportional to 33,099.20, 45,687.52 and 21,194.60

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Solution

The fourth proportional to 33,099.20, 45,687.52 and 21,194.60 is: 29,255.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,099.20 : 45,687.52 = 21,194.60 : x
  2. Step 2: Convert to fraction form
    33,099.20/45,687.52 = 21,194.60/x
  3. Step 3: Cross multiply
    33,099.20x = 45,687.52 × 21,194.60
  4. Step 4: Simplify right side
    33,099.20x = 968,328,711.39
  5. Step 5: Solve for x
    x = 968,328,711.39/33,099.20
  6. Step 6: Final answer
    x = 29,255.35

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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.