Home / 33,198.24-45,786.60-30,430.78

Finding the Fourth Proportional to 33,198.24, 45,786.60 and 30,430.78

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Solution

The fourth proportional to 33,198.24, 45,786.60 and 30,430.78 is: 41,969.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,198.24 : 45,786.60 = 30,430.78 : x
  2. Step 2: Convert to fraction form
    33,198.24/45,786.60 = 30,430.78/x
  3. Step 3: Cross multiply
    33,198.24x = 45,786.60 × 30,430.78
  4. Step 4: Simplify right side
    33,198.24x = 1,393,321,951.55
  5. Step 5: Solve for x
    x = 1,393,321,951.55/33,198.24
  6. Step 6: Final answer
    x = 41,969.75

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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.