Home / 54,107.87-81,163.19-25,638.14

Finding the Fourth Proportional to 54,107.87, 81,163.19 and 25,638.14

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Solution

The fourth proportional to 54,107.87, 81,163.19 and 25,638.14 is: 38,457.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,107.87 : 81,163.19 = 25,638.14 : x
  2. Step 2: Convert to fraction form
    54,107.87/81,163.19 = 25,638.14/x
  3. Step 3: Cross multiply
    54,107.87x = 81,163.19 × 25,638.14
  4. Step 4: Simplify right side
    54,107.87x = 2,080,873,495.07
  5. Step 5: Solve for x
    x = 2,080,873,495.07/54,107.87
  6. Step 6: Final answer
    x = 38,457.87

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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.