Home / 54,835.56-82,143.72-25,212.80

Finding the Fourth Proportional to 54,835.56, 82,143.72 and 25,212.80

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Solution

The fourth proportional to 54,835.56, 82,143.72 and 25,212.80 is: 37,768.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,835.56 : 82,143.72 = 25,212.80 : x
  2. Step 2: Convert to fraction form
    54,835.56/82,143.72 = 25,212.80/x
  3. Step 3: Cross multiply
    54,835.56x = 82,143.72 × 25,212.80
  4. Step 4: Simplify right side
    54,835.56x = 2,071,073,183.62
  5. Step 5: Solve for x
    x = 2,071,073,183.62/54,835.56
  6. Step 6: Final answer
    x = 37,768.80

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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.