Home / 33,305.61-45,960.37-18,198.79

Finding the Fourth Proportional to 33,305.61, 45,960.37 and 18,198.79

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Solution

The fourth proportional to 33,305.61, 45,960.37 and 18,198.79 is: 25,113.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,305.61 : 45,960.37 = 18,198.79 : x
  2. Step 2: Convert to fraction form
    33,305.61/45,960.37 = 18,198.79/x
  3. Step 3: Cross multiply
    33,305.61x = 45,960.37 × 18,198.79
  4. Step 4: Simplify right side
    33,305.61x = 836,423,121.95
  5. Step 5: Solve for x
    x = 836,423,121.95/33,305.61
  6. Step 6: Final answer
    x = 25,113.58

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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.