Home / 52,716.38-79,062.15-19,418.36

Finding the Fourth Proportional to 52,716.38, 79,062.15 and 19,418.36

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Solution

The fourth proportional to 52,716.38, 79,062.15 and 19,418.36 is: 29,122.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,716.38 : 79,062.15 = 19,418.36 : x
  2. Step 2: Convert to fraction form
    52,716.38/79,062.15 = 19,418.36/x
  3. Step 3: Cross multiply
    52,716.38x = 79,062.15 × 19,418.36
  4. Step 4: Simplify right side
    52,716.38x = 1,535,257,291.07
  5. Step 5: Solve for x
    x = 1,535,257,291.07/52,716.38
  6. Step 6: Final answer
    x = 29,122.97

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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.