Home / 68,664.24-102,974.04-21,906

Finding the Fourth Proportional to 68,664.24, 102,974.04 and 21,906

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Solution

The fourth proportional to 68,664.24, 102,974.04 and 21,906 is: 32,851.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,664.24 : 102,974.04 = 21,906 : x
  2. Step 2: Convert to fraction form
    68,664.24/102,974.04 = 21,906/x
  3. Step 3: Cross multiply
    68,664.24x = 102,974.04 × 21,906
  4. Step 4: Simplify right side
    68,664.24x = 2,255,749,320.24
  5. Step 5: Solve for x
    x = 2,255,749,320.24/68,664.24
  6. Step 6: Final answer
    x = 32,851.88

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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.