Home / 33,067.63-45,629.49-19,639.45

Finding the Fourth Proportional to 33,067.63, 45,629.49 and 19,639.45

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Solution

The fourth proportional to 33,067.63, 45,629.49 and 19,639.45 is: 27,100.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,067.63 : 45,629.49 = 19,639.45 : x
  2. Step 2: Convert to fraction form
    33,067.63/45,629.49 = 19,639.45/x
  3. Step 3: Cross multiply
    33,067.63x = 45,629.49 × 19,639.45
  4. Step 4: Simplify right side
    33,067.63x = 896,138,087.38
  5. Step 5: Solve for x
    x = 896,138,087.38/33,067.63
  6. Step 6: Final answer
    x = 27,100.16

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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.