Home / 54,758.79-82,131.12-17,322.71

Finding the Fourth Proportional to 54,758.79, 82,131.12 and 17,322.71

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Solution

The fourth proportional to 54,758.79, 82,131.12 and 17,322.71 is: 25,981.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,758.79 : 82,131.12 = 17,322.71 : x
  2. Step 2: Convert to fraction form
    54,758.79/82,131.12 = 17,322.71/x
  3. Step 3: Cross multiply
    54,758.79x = 82,131.12 × 17,322.71
  4. Step 4: Simplify right side
    54,758.79x = 1,422,733,163.08
  5. Step 5: Solve for x
    x = 1,422,733,163.08/54,758.79
  6. Step 6: Final answer
    x = 25,981.82

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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.