Home / 33,311.90-45,969.62-18,204.60

Finding the Fourth Proportional to 33,311.90, 45,969.62 and 18,204.60

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Solution

The fourth proportional to 33,311.90, 45,969.62 and 18,204.60 is: 25,121.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,311.90 : 45,969.62 = 18,204.60 : x
  2. Step 2: Convert to fraction form
    33,311.90/45,969.62 = 18,204.60/x
  3. Step 3: Cross multiply
    33,311.90x = 45,969.62 × 18,204.60
  4. Step 4: Simplify right side
    33,311.90x = 836,858,544.25
  5. Step 5: Solve for x
    x = 836,858,544.25/33,311.90
  6. Step 6: Final answer
    x = 25,121.91

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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.