Home / 52,708.11-79,067.69-17,172.19

Finding the Fourth Proportional to 52,708.11, 79,067.69 and 17,172.19

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Solution

The fourth proportional to 52,708.11, 79,067.69 and 17,172.19 is: 25,760.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,708.11 : 79,067.69 = 17,172.19 : x
  2. Step 2: Convert to fraction form
    52,708.11/79,067.69 = 17,172.19/x
  3. Step 3: Cross multiply
    52,708.11x = 79,067.69 × 17,172.19
  4. Step 4: Simplify right side
    52,708.11x = 1,357,765,395.54
  5. Step 5: Solve for x
    x = 1,357,765,395.54/52,708.11
  6. Step 6: Final answer
    x = 25,760.09

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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.