Home / 54,183.24-81,253.26-20,884.84

Finding the Fourth Proportional to 54,183.24, 81,253.26 and 20,884.84

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Solution

The fourth proportional to 54,183.24, 81,253.26 and 20,884.84 is: 31,318.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,183.24 : 81,253.26 = 20,884.84 : x
  2. Step 2: Convert to fraction form
    54,183.24/81,253.26 = 20,884.84/x
  3. Step 3: Cross multiply
    54,183.24x = 81,253.26 × 20,884.84
  4. Step 4: Simplify right side
    54,183.24x = 1,696,961,334.58
  5. Step 5: Solve for x
    x = 1,696,961,334.58/54,183.24
  6. Step 6: Final answer
    x = 31,318.93

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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.