Home / 33,102.60-45,676.52-18,761.61

Finding the Fourth Proportional to 33,102.60, 45,676.52 and 18,761.61

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Solution

The fourth proportional to 33,102.60, 45,676.52 and 18,761.61 is: 25,888.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,102.60 : 45,676.52 = 18,761.61 : x
  2. Step 2: Convert to fraction form
    33,102.60/45,676.52 = 18,761.61/x
  3. Step 3: Cross multiply
    33,102.60x = 45,676.52 × 18,761.61
  4. Step 4: Simplify right side
    33,102.60x = 856,965,054.40
  5. Step 5: Solve for x
    x = 856,965,054.40/33,102.60
  6. Step 6: Final answer
    x = 25,888.15

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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.