Home / 41,570.78-62,365.39-11,986.31

Finding the Fourth Proportional to 41,570.78, 62,365.39 and 11,986.31

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Solution

The fourth proportional to 41,570.78, 62,365.39 and 11,986.31 is: 17,982.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,570.78 : 62,365.39 = 11,986.31 : x
  2. Step 2: Convert to fraction form
    41,570.78/62,365.39 = 11,986.31/x
  3. Step 3: Cross multiply
    41,570.78x = 62,365.39 × 11,986.31
  4. Step 4: Simplify right side
    41,570.78x = 747,531,023.76
  5. Step 5: Solve for x
    x = 747,531,023.76/41,570.78
  6. Step 6: Final answer
    x = 17,982.13

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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.