Home / 33,165.72-45,765.42-19,732.92

Finding the Fourth Proportional to 33,165.72, 45,765.42 and 19,732.92

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Solution

The fourth proportional to 33,165.72, 45,765.42 and 19,732.92 is: 27,229.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,165.72 : 45,765.42 = 19,732.92 : x
  2. Step 2: Convert to fraction form
    33,165.72/45,765.42 = 19,732.92/x
  3. Step 3: Cross multiply
    33,165.72x = 45,765.42 × 19,732.92
  4. Step 4: Simplify right side
    33,165.72x = 903,085,371.63
  5. Step 5: Solve for x
    x = 903,085,371.63/33,165.72
  6. Step 6: Final answer
    x = 27,229.48

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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.