Home / 53,297.26-79,858.41-18,217.78

Finding the Fourth Proportional to 53,297.26, 79,858.41 and 18,217.78

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Solution

The fourth proportional to 53,297.26, 79,858.41 and 18,217.78 is: 27,296.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,297.26 : 79,858.41 = 18,217.78 : x
  2. Step 2: Convert to fraction form
    53,297.26/79,858.41 = 18,217.78/x
  3. Step 3: Cross multiply
    53,297.26x = 79,858.41 × 18,217.78
  4. Step 4: Simplify right side
    53,297.26x = 1,454,842,676.57
  5. Step 5: Solve for x
    x = 1,454,842,676.57/53,297.26
  6. Step 6: Final answer
    x = 27,296.76

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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.