Home / 45,194.80-67,786.41-11,917.48

Finding the Fourth Proportional to 45,194.80, 67,786.41 and 11,917.48

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Solution

The fourth proportional to 45,194.80, 67,786.41 and 11,917.48 is: 17,874.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,194.80 : 67,786.41 = 11,917.48 : x
  2. Step 2: Convert to fraction form
    45,194.80/67,786.41 = 11,917.48/x
  3. Step 3: Cross multiply
    45,194.80x = 67,786.41 × 11,917.48
  4. Step 4: Simplify right side
    45,194.80x = 807,843,185.45
  5. Step 5: Solve for x
    x = 807,843,185.45/45,194.80
  6. Step 6: Final answer
    x = 17,874.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.