Home / 56,997.16-78,655.78-31,846.44

Finding the Fourth Proportional to 56,997.16, 78,655.78 and 31,846.44

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Solution

The fourth proportional to 56,997.16, 78,655.78 and 31,846.44 is: 43,947.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,997.16 : 78,655.78 = 31,846.44 : x
  2. Step 2: Convert to fraction form
    56,997.16/78,655.78 = 31,846.44/x
  3. Step 3: Cross multiply
    56,997.16x = 78,655.78 × 31,846.44
  4. Step 4: Simplify right side
    56,997.16x = 2,504,906,578.42
  5. Step 5: Solve for x
    x = 2,504,906,578.42/56,997.16
  6. Step 6: Final answer
    x = 43,947.92

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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.