Home / 33,016.80-49,525.20-18,218.10

Finding the Fourth Proportional to 33,016.80, 49,525.20 and 18,218.10

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Solution

The fourth proportional to 33,016.80, 49,525.20 and 18,218.10 is: 27,327.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,016.80 : 49,525.20 = 18,218.10 : x
  2. Step 2: Convert to fraction form
    33,016.80/49,525.20 = 18,218.10/x
  3. Step 3: Cross multiply
    33,016.80x = 49,525.20 × 18,218.10
  4. Step 4: Simplify right side
    33,016.80x = 902,255,046.12
  5. Step 5: Solve for x
    x = 902,255,046.12/33,016.80
  6. Step 6: Final answer
    x = 27,327.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.