Home / 33,306.09-45,961.86-18,198.42

Finding the Fourth Proportional to 33,306.09, 45,961.86 and 18,198.42

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Solution

The fourth proportional to 33,306.09, 45,961.86 and 18,198.42 is: 25,113.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,306.09 : 45,961.86 = 18,198.42 : x
  2. Step 2: Convert to fraction form
    33,306.09/45,961.86 = 18,198.42/x
  3. Step 3: Cross multiply
    33,306.09x = 45,961.86 × 18,198.42
  4. Step 4: Simplify right side
    33,306.09x = 836,433,232.26
  5. Step 5: Solve for x
    x = 836,433,232.26/33,306.09
  6. Step 6: Final answer
    x = 25,113.52

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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.