Home / 54,183.96-81,299.20-20,927.38

Finding the Fourth Proportional to 54,183.96, 81,299.20 and 20,927.38

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Solution

The fourth proportional to 54,183.96, 81,299.20 and 20,927.38 is: 31,400.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,183.96 : 81,299.20 = 20,927.38 : x
  2. Step 2: Convert to fraction form
    54,183.96/81,299.20 = 20,927.38/x
  3. Step 3: Cross multiply
    54,183.96x = 81,299.20 × 20,927.38
  4. Step 4: Simplify right side
    54,183.96x = 1,701,378,996.53
  5. Step 5: Solve for x
    x = 1,701,378,996.53/54,183.96
  6. Step 6: Final answer
    x = 31,400.05

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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.