Home / 41,072.67-61,615.05-12,986.37

Finding the Fourth Proportional to 41,072.67, 61,615.05 and 12,986.37

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Solution

The fourth proportional to 41,072.67, 61,615.05 and 12,986.37 is: 19,481.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,072.67 : 61,615.05 = 12,986.37 : x
  2. Step 2: Convert to fraction form
    41,072.67/61,615.05 = 12,986.37/x
  3. Step 3: Cross multiply
    41,072.67x = 61,615.05 × 12,986.37
  4. Step 4: Simplify right side
    41,072.67x = 800,155,836.87
  5. Step 5: Solve for x
    x = 800,155,836.87/41,072.67
  6. Step 6: Final answer
    x = 19,481.47

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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.