Home / 33,067.30-45,630.50-18,723

Finding the Fourth Proportional to 33,067.30, 45,630.50 and 18,723

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Solution

The fourth proportional to 33,067.30, 45,630.50 and 18,723 is: 25,836.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,067.30 : 45,630.50 = 18,723 : x
  2. Step 2: Convert to fraction form
    33,067.30/45,630.50 = 18,723/x
  3. Step 3: Cross multiply
    33,067.30x = 45,630.50 × 18,723
  4. Step 4: Simplify right side
    33,067.30x = 854,339,851.50
  5. Step 5: Solve for x
    x = 854,339,851.50/33,067.30
  6. Step 6: Final answer
    x = 25,836.40

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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.