Home / 33,211.67-45,832.96-18,871.03

Finding the Fourth Proportional to 33,211.67, 45,832.96 and 18,871.03

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Solution

The fourth proportional to 33,211.67, 45,832.96 and 18,871.03 is: 26,042.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,211.67 : 45,832.96 = 18,871.03 : x
  2. Step 2: Convert to fraction form
    33,211.67/45,832.96 = 18,871.03/x
  3. Step 3: Cross multiply
    33,211.67x = 45,832.96 × 18,871.03
  4. Step 4: Simplify right side
    33,211.67x = 864,915,163.15
  5. Step 5: Solve for x
    x = 864,915,163.15/33,211.67
  6. Step 6: Final answer
    x = 26,042.51

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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.