Home / 37,181.62-51,310.70-20,185.86

Finding the Fourth Proportional to 37,181.62, 51,310.70 and 20,185.86

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Solution

The fourth proportional to 37,181.62, 51,310.70 and 20,185.86 is: 27,856.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,181.62 : 51,310.70 = 20,185.86 : x
  2. Step 2: Convert to fraction form
    37,181.62/51,310.70 = 20,185.86/x
  3. Step 3: Cross multiply
    37,181.62x = 51,310.70 × 20,185.86
  4. Step 4: Simplify right side
    37,181.62x = 1,035,750,773.88
  5. Step 5: Solve for x
    x = 1,035,750,773.88/37,181.62
  6. Step 6: Final answer
    x = 27,856.53

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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.