Home / 68,631.06-102,924.72-21,873

Finding the Fourth Proportional to 68,631.06, 102,924.72 and 21,873

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Solution

The fourth proportional to 68,631.06, 102,924.72 and 21,873 is: 32,802.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,631.06 : 102,924.72 = 21,873 : x
  2. Step 2: Convert to fraction form
    68,631.06/102,924.72 = 21,873/x
  3. Step 3: Cross multiply
    68,631.06x = 102,924.72 × 21,873
  4. Step 4: Simplify right side
    68,631.06x = 2,251,272,400.56
  5. Step 5: Solve for x
    x = 2,251,272,400.56/68,631.06
  6. Step 6: Final answer
    x = 32,802.53

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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.