Home / 56,997.75-78,656.90-31,847.25

Finding the Fourth Proportional to 56,997.75, 78,656.90 and 31,847.25

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Solution

The fourth proportional to 56,997.75, 78,656.90 and 31,847.25 is: 43,949.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,997.75 : 78,656.90 = 31,847.25 : x
  2. Step 2: Convert to fraction form
    56,997.75/78,656.90 = 31,847.25/x
  3. Step 3: Cross multiply
    56,997.75x = 78,656.90 × 31,847.25
  4. Step 4: Simplify right side
    56,997.75x = 2,505,005,799.29
  5. Step 5: Solve for x
    x = 2,505,005,799.29/56,997.75
  6. Step 6: Final answer
    x = 43,949.21

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1.5x scale

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.