Home / 33,620.94-46,428.39-21,067.56

Finding the Fourth Proportional to 33,620.94, 46,428.39 and 21,067.56

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Solution

The fourth proportional to 33,620.94, 46,428.39 and 21,067.56 is: 29,092.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,620.94 : 46,428.39 = 21,067.56 : x
  2. Step 2: Convert to fraction form
    33,620.94/46,428.39 = 21,067.56/x
  3. Step 3: Cross multiply
    33,620.94x = 46,428.39 × 21,067.56
  4. Step 4: Simplify right side
    33,620.94x = 978,132,892.03
  5. Step 5: Solve for x
    x = 978,132,892.03/33,620.94
  6. Step 6: Final answer
    x = 29,092.97

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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.