Home / 41,021.82-61,537.32-12,945.87

Finding the Fourth Proportional to 41,021.82, 61,537.32 and 12,945.87

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Solution

The fourth proportional to 41,021.82, 61,537.32 and 12,945.87 is: 19,420.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,021.82 : 61,537.32 = 12,945.87 : x
  2. Step 2: Convert to fraction form
    41,021.82/61,537.32 = 12,945.87/x
  3. Step 3: Cross multiply
    41,021.82x = 61,537.32 × 12,945.87
  4. Step 4: Simplify right side
    41,021.82x = 796,654,144.87
  5. Step 5: Solve for x
    x = 796,654,144.87/41,021.82
  6. Step 6: Final answer
    x = 19,420.25

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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.