Home / 54,126.08-81,198.43-18,585.71

Finding the Fourth Proportional to 54,126.08, 81,198.43 and 18,585.71

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Solution

The fourth proportional to 54,126.08, 81,198.43 and 18,585.71 is: 27,881.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,126.08 : 81,198.43 = 18,585.71 : x
  2. Step 2: Convert to fraction form
    54,126.08/81,198.43 = 18,585.71/x
  3. Step 3: Cross multiply
    54,126.08x = 81,198.43 × 18,585.71
  4. Step 4: Simplify right side
    54,126.08x = 1,509,130,019.98
  5. Step 5: Solve for x
    x = 1,509,130,019.98/54,126.08
  6. Step 6: Final answer
    x = 27,881.76

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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.