Home / 37,079.82-55,625.81-12,112.65

Finding the Fourth Proportional to 37,079.82, 55,625.81 and 12,112.65

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Solution

The fourth proportional to 37,079.82, 55,625.81 and 12,112.65 is: 18,170.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,079.82 : 55,625.81 = 12,112.65 : x
  2. Step 2: Convert to fraction form
    37,079.82/55,625.81 = 12,112.65/x
  3. Step 3: Cross multiply
    37,079.82x = 55,625.81 × 12,112.65
  4. Step 4: Simplify right side
    37,079.82x = 673,775,967.50
  5. Step 5: Solve for x
    x = 673,775,967.50/37,079.82
  6. Step 6: Final answer
    x = 18,170.96

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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.