Home / 54,974.49-82,469.83-19,905.94

Finding the Fourth Proportional to 54,974.49, 82,469.83 and 19,905.94

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Solution

The fourth proportional to 54,974.49, 82,469.83 and 19,905.94 is: 29,861.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,974.49 : 82,469.83 = 19,905.94 : x
  2. Step 2: Convert to fraction form
    54,974.49/82,469.83 = 19,905.94/x
  3. Step 3: Cross multiply
    54,974.49x = 82,469.83 × 19,905.94
  4. Step 4: Simplify right side
    54,974.49x = 1,641,639,487.79
  5. Step 5: Solve for x
    x = 1,641,639,487.79/54,974.49
  6. Step 6: Final answer
    x = 29,861.84

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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.