Home / 56,657.44-78,181.95-31,163.86

Finding the Fourth Proportional to 56,657.44, 78,181.95 and 31,163.86

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Solution

The fourth proportional to 56,657.44, 78,181.95 and 31,163.86 is: 43,003.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,657.44 : 78,181.95 = 31,163.86 : x
  2. Step 2: Convert to fraction form
    56,657.44/78,181.95 = 31,163.86/x
  3. Step 3: Cross multiply
    56,657.44x = 78,181.95 × 31,163.86
  4. Step 4: Simplify right side
    56,657.44x = 2,436,451,344.33
  5. Step 5: Solve for x
    x = 2,436,451,344.33/56,657.44
  6. Step 6: Final answer
    x = 43,003.20

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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.