Home / 33,144.54-45,741.12-18,997.34

Finding the Fourth Proportional to 33,144.54, 45,741.12 and 18,997.34

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Solution

The fourth proportional to 33,144.54, 45,741.12 and 18,997.34 is: 26,217.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,144.54 : 45,741.12 = 18,997.34 : x
  2. Step 2: Convert to fraction form
    33,144.54/45,741.12 = 18,997.34/x
  3. Step 3: Cross multiply
    33,144.54x = 45,741.12 × 18,997.34
  4. Step 4: Simplify right side
    33,144.54x = 868,959,608.62
  5. Step 5: Solve for x
    x = 868,959,608.62/33,144.54
  6. Step 6: Final answer
    x = 26,217.28

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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.