Home / 33,171.13-45,791.82-21,241.39

Finding the Fourth Proportional to 33,171.13, 45,791.82 and 21,241.39

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Solution

The fourth proportional to 33,171.13, 45,791.82 and 21,241.39 is: 29,323.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,171.13 : 45,791.82 = 21,241.39 : x
  2. Step 2: Convert to fraction form
    33,171.13/45,791.82 = 21,241.39/x
  3. Step 3: Cross multiply
    33,171.13x = 45,791.82 × 21,241.39
  4. Step 4: Simplify right side
    33,171.13x = 972,681,907.43
  5. Step 5: Solve for x
    x = 972,681,907.43/33,171.13
  6. Step 6: Final answer
    x = 29,323.15

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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.