Home / 41,405.78-62,137.47-18,020.18

Finding the Fourth Proportional to 41,405.78, 62,137.47 and 18,020.18

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Solution

The fourth proportional to 41,405.78, 62,137.47 and 18,020.18 is: 27,042.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,405.78 : 62,137.47 = 18,020.18 : x
  2. Step 2: Convert to fraction form
    41,405.78/62,137.47 = 18,020.18/x
  3. Step 3: Cross multiply
    41,405.78x = 62,137.47 × 18,020.18
  4. Step 4: Simplify right side
    41,405.78x = 1,119,728,394.14
  5. Step 5: Solve for x
    x = 1,119,728,394.14/41,405.78
  6. Step 6: Final answer
    x = 27,042.80

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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.