Home / 55,412.20-83,027.10-31,997.80

Finding the Fourth Proportional to 55,412.20, 83,027.10 and 31,997.80

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Solution

The fourth proportional to 55,412.20, 83,027.10 and 31,997.80 is: 47,944.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,412.20 : 83,027.10 = 31,997.80 : x
  2. Step 2: Convert to fraction form
    55,412.20/83,027.10 = 31,997.80/x
  3. Step 3: Cross multiply
    55,412.20x = 83,027.10 × 31,997.80
  4. Step 4: Simplify right side
    55,412.20x = 2,656,684,540.38
  5. Step 5: Solve for x
    x = 2,656,684,540.38/55,412.20
  6. Step 6: Final answer
    x = 47,944.04

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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.