Home / 37,879.82-56,747.00-21,189.26

Finding the Fourth Proportional to 37,879.82, 56,747.00 and 21,189.26

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Solution

The fourth proportional to 37,879.82, 56,747.00 and 21,189.26 is: 31,743.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,879.82 : 56,747.00 = 21,189.26 : x
  2. Step 2: Convert to fraction form
    37,879.82/56,747.00 = 21,189.26/x
  3. Step 3: Cross multiply
    37,879.82x = 56,747.00 × 21,189.26
  4. Step 4: Simplify right side
    37,879.82x = 1,202,427,012.87
  5. Step 5: Solve for x
    x = 1,202,427,012.87/37,879.82
  6. Step 6: Final answer
    x = 31,743.21

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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.