Home / 33,067.43-45,640.31-21,737.96

Finding the Fourth Proportional to 33,067.43, 45,640.31 and 21,737.96

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Solution

The fourth proportional to 33,067.43, 45,640.31 and 21,737.96 is: 30,003.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,067.43 : 45,640.31 = 21,737.96 : x
  2. Step 2: Convert to fraction form
    33,067.43/45,640.31 = 21,737.96/x
  3. Step 3: Cross multiply
    33,067.43x = 45,640.31 × 21,737.96
  4. Step 4: Simplify right side
    33,067.43x = 992,127,233.17
  5. Step 5: Solve for x
    x = 992,127,233.17/33,067.43
  6. Step 6: Final answer
    x = 30,003.16

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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.