Home / 54,168.08-81,253.89-18,629.04

Finding the Fourth Proportional to 54,168.08, 81,253.89 and 18,629.04

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Solution

The fourth proportional to 54,168.08, 81,253.89 and 18,629.04 is: 27,944.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,168.08 : 81,253.89 = 18,629.04 : x
  2. Step 2: Convert to fraction form
    54,168.08/81,253.89 = 18,629.04/x
  3. Step 3: Cross multiply
    54,168.08x = 81,253.89 × 18,629.04
  4. Step 4: Simplify right side
    54,168.08x = 1,513,681,966.97
  5. Step 5: Solve for x
    x = 1,513,681,966.97/54,168.08
  6. Step 6: Final answer
    x = 27,944.17

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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.