Home / 33,067.58-45,631.96-19,638.49

Finding the Fourth Proportional to 33,067.58, 45,631.96 and 19,638.49

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Solution

The fourth proportional to 33,067.58, 45,631.96 and 19,638.49 is: 27,100.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,067.58 : 45,631.96 = 19,638.49 : x
  2. Step 2: Convert to fraction form
    33,067.58/45,631.96 = 19,638.49/x
  3. Step 3: Cross multiply
    33,067.58x = 45,631.96 × 19,638.49
  4. Step 4: Simplify right side
    33,067.58x = 896,142,463.79
  5. Step 5: Solve for x
    x = 896,142,463.79/33,067.58
  6. Step 6: Final answer
    x = 27,100.33

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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.