Home / 54,772.49-82,167.05-17,320.12

Finding the Fourth Proportional to 54,772.49, 82,167.05 and 17,320.12

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Solution

The fourth proportional to 54,772.49, 82,167.05 and 17,320.12 is: 25,982.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,772.49 : 82,167.05 = 17,320.12 : x
  2. Step 2: Convert to fraction form
    54,772.49/82,167.05 = 17,320.12/x
  3. Step 3: Cross multiply
    54,772.49x = 82,167.05 × 17,320.12
  4. Step 4: Simplify right side
    54,772.49x = 1,423,143,003.93
  5. Step 5: Solve for x
    x = 1,423,143,003.93/54,772.49
  6. Step 6: Final answer
    x = 25,982.81

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1.5x scale

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.