Home / 33,965.12-50,945.52-20,819.36

Finding the Fourth Proportional to 33,965.12, 50,945.52 and 20,819.36

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Solution

The fourth proportional to 33,965.12, 50,945.52 and 20,819.36 is: 31,227.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,965.12 : 50,945.52 = 20,819.36 : x
  2. Step 2: Convert to fraction form
    33,965.12/50,945.52 = 20,819.36/x
  3. Step 3: Cross multiply
    33,965.12x = 50,945.52 × 20,819.36
  4. Step 4: Simplify right side
    33,965.12x = 1,060,653,121.27
  5. Step 5: Solve for x
    x = 1,060,653,121.27/33,965.12
  6. Step 6: Final answer
    x = 31,227.72

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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.