Home / 54,310.27-81,509.42-28,022.53

Finding the Fourth Proportional to 54,310.27, 81,509.42 and 28,022.53

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Solution

The fourth proportional to 54,310.27, 81,509.42 and 28,022.53 is: 42,056.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,310.27 : 81,509.42 = 28,022.53 : x
  2. Step 2: Convert to fraction form
    54,310.27/81,509.42 = 28,022.53/x
  3. Step 3: Cross multiply
    54,310.27x = 81,509.42 × 28,022.53
  4. Step 4: Simplify right side
    54,310.27x = 2,284,100,167.23
  5. Step 5: Solve for x
    x = 2,284,100,167.23/54,310.27
  6. Step 6: Final answer
    x = 42,056.51

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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.