Home / 33,067.85-45,635.91-18,727.50

Finding the Fourth Proportional to 33,067.85, 45,635.91 and 18,727.50

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Solution

The fourth proportional to 33,067.85, 45,635.91 and 18,727.50 is: 25,845.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,067.85 : 45,635.91 = 18,727.50 : x
  2. Step 2: Convert to fraction form
    33,067.85/45,635.91 = 18,727.50/x
  3. Step 3: Cross multiply
    33,067.85x = 45,635.91 × 18,727.50
  4. Step 4: Simplify right side
    33,067.85x = 854,646,605.43
  5. Step 5: Solve for x
    x = 854,646,605.43/33,067.85
  6. Step 6: Final answer
    x = 25,845.25

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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.