Home / 33,190.30-45,781.68-19,751.52

Finding the Fourth Proportional to 33,190.30, 45,781.68 and 19,751.52

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Solution

The fourth proportional to 33,190.30, 45,781.68 and 19,751.52 is: 27,244.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,190.30 : 45,781.68 = 19,751.52 : x
  2. Step 2: Convert to fraction form
    33,190.30/45,781.68 = 19,751.52/x
  3. Step 3: Cross multiply
    33,190.30x = 45,781.68 × 19,751.52
  4. Step 4: Simplify right side
    33,190.30x = 904,257,768.15
  5. Step 5: Solve for x
    x = 904,257,768.15/33,190.30
  6. Step 6: Final answer
    x = 27,244.64

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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.