Home / 81,997.31-122,996.12-22,832.98

Finding the Fourth Proportional to 81,997.31, 122,996.12 and 22,832.98

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Solution

The fourth proportional to 81,997.31, 122,996.12 and 22,832.98 is: 34,249.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,997.31 : 122,996.12 = 22,832.98 : x
  2. Step 2: Convert to fraction form
    81,997.31/122,996.12 = 22,832.98/x
  3. Step 3: Cross multiply
    81,997.31x = 122,996.12 × 22,832.98
  4. Step 4: Simplify right side
    81,997.31x = 2,808,367,526.38
  5. Step 5: Solve for x
    x = 2,808,367,526.38/81,997.31
  6. Step 6: Final answer
    x = 34,249.51

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1.5x scale

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.