Home / 41,321.90-61,981.70-27,782.09

Finding the Fourth Proportional to 41,321.90, 61,981.70 and 27,782.09

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Solution

The fourth proportional to 41,321.90, 61,981.70 and 27,782.09 is: 41,672.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,321.90 : 61,981.70 = 27,782.09 : x
  2. Step 2: Convert to fraction form
    41,321.90/61,981.70 = 27,782.09/x
  3. Step 3: Cross multiply
    41,321.90x = 61,981.70 × 27,782.09
  4. Step 4: Simplify right side
    41,321.90x = 1,721,980,718.93
  5. Step 5: Solve for x
    x = 1,721,980,718.93/41,321.90
  6. Step 6: Final answer
    x = 41,672.36

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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.