Home / 33,168.35-45,775.97-20,418.97

Finding the Fourth Proportional to 33,168.35, 45,775.97 and 20,418.97

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Solution

The fourth proportional to 33,168.35, 45,775.97 and 20,418.97 is: 28,180.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,168.35 : 45,775.97 = 20,418.97 : x
  2. Step 2: Convert to fraction form
    33,168.35/45,775.97 = 20,418.97/x
  3. Step 3: Cross multiply
    33,168.35x = 45,775.97 × 20,418.97
  4. Step 4: Simplify right side
    33,168.35x = 934,698,158.15
  5. Step 5: Solve for x
    x = 934,698,158.15/33,168.35
  6. Step 6: Final answer
    x = 28,180.42

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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.