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Finding the Fourth Proportional to 33,774.80, 50,662.11 and 31,719.62

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Solution

The fourth proportional to 33,774.80, 50,662.11 and 31,719.62 is: 47,579.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,774.80 : 50,662.11 = 31,719.62 : x
  2. Step 2: Convert to fraction form
    33,774.80/50,662.11 = 31,719.62/x
  3. Step 3: Cross multiply
    33,774.80x = 50,662.11 × 31,719.62
  4. Step 4: Simplify right side
    33,774.80x = 1,606,982,624.29
  5. Step 5: Solve for x
    x = 1,606,982,624.29/33,774.80
  6. Step 6: Final answer
    x = 47,579.35

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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.