Home / 33,102.10-45,675.83-18,761.11

Finding the Fourth Proportional to 33,102.10, 45,675.83 and 18,761.11

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Solution

The fourth proportional to 33,102.10, 45,675.83 and 18,761.11 is: 25,887.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,102.10 : 45,675.83 = 18,761.11 : x
  2. Step 2: Convert to fraction form
    33,102.10/45,675.83 = 18,761.11/x
  3. Step 3: Cross multiply
    33,102.10x = 45,675.83 × 18,761.11
  4. Step 4: Simplify right side
    33,102.10x = 856,929,133.33
  5. Step 5: Solve for x
    x = 856,929,133.33/33,102.10
  6. Step 6: Final answer
    x = 25,887.46

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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.