Home / 33,311.61-45,969.24-18,204.30

Finding the Fourth Proportional to 33,311.61, 45,969.24 and 18,204.30

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Solution

The fourth proportional to 33,311.61, 45,969.24 and 18,204.30 is: 25,121.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,311.61 : 45,969.24 = 18,204.30 : x
  2. Step 2: Convert to fraction form
    33,311.61/45,969.24 = 18,204.30/x
  3. Step 3: Cross multiply
    33,311.61x = 45,969.24 × 18,204.30
  4. Step 4: Simplify right side
    33,311.61x = 836,837,835.73
  5. Step 5: Solve for x
    x = 836,837,835.73/33,311.61
  6. Step 6: Final answer
    x = 25,121.51

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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.