Home / 56,791.05-85,183.49-17,345.09

Finding the Fourth Proportional to 56,791.05, 85,183.49 and 17,345.09

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Solution

The fourth proportional to 56,791.05, 85,183.49 and 17,345.09 is: 26,016.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,791.05 : 85,183.49 = 17,345.09 : x
  2. Step 2: Convert to fraction form
    56,791.05/85,183.49 = 17,345.09/x
  3. Step 3: Cross multiply
    56,791.05x = 85,183.49 × 17,345.09
  4. Step 4: Simplify right side
    56,791.05x = 1,477,514,787.92
  5. Step 5: Solve for x
    x = 1,477,514,787.92/56,791.05
  6. Step 6: Final answer
    x = 26,016.68

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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.