Home / 54,631.56-81,960.01-17,190.65

Finding the Fourth Proportional to 54,631.56, 81,960.01 and 17,190.65

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Solution

The fourth proportional to 54,631.56, 81,960.01 and 17,190.65 is: 25,789.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,631.56 : 81,960.01 = 17,190.65 : x
  2. Step 2: Convert to fraction form
    54,631.56/81,960.01 = 17,190.65/x
  3. Step 3: Cross multiply
    54,631.56x = 81,960.01 × 17,190.65
  4. Step 4: Simplify right side
    54,631.56x = 1,408,946,056.18
  5. Step 5: Solve for x
    x = 1,408,946,056.18/54,631.56
  6. Step 6: Final answer
    x = 25,789.97

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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.