Home / 33,189.20-45,798.96-19,761.44

Finding the Fourth Proportional to 33,189.20, 45,798.96 and 19,761.44

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Solution

The fourth proportional to 33,189.20, 45,798.96 and 19,761.44 is: 27,269.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,189.20 : 45,798.96 = 19,761.44 : x
  2. Step 2: Convert to fraction form
    33,189.20/45,798.96 = 19,761.44/x
  3. Step 3: Cross multiply
    33,189.20x = 45,798.96 × 19,761.44
  4. Step 4: Simplify right side
    33,189.20x = 905,053,400.10
  5. Step 5: Solve for x
    x = 905,053,400.10/33,189.20
  6. Step 6: Final answer
    x = 27,269.52

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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.