Home / 54,178.11-81,246.93-18,629.37

Finding the Fourth Proportional to 54,178.11, 81,246.93 and 18,629.37

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Solution

The fourth proportional to 54,178.11, 81,246.93 and 18,629.37 is: 27,937.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,178.11 : 81,246.93 = 18,629.37 : x
  2. Step 2: Convert to fraction form
    54,178.11/81,246.93 = 18,629.37/x
  3. Step 3: Cross multiply
    54,178.11x = 81,246.93 × 18,629.37
  4. Step 4: Simplify right side
    54,178.11x = 1,513,579,120.33
  5. Step 5: Solve for x
    x = 1,513,579,120.33/54,178.11
  6. Step 6: Final answer
    x = 27,937.10

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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.