Home / 41,387.90-62,083.91-11,810.09

Finding the Fourth Proportional to 41,387.90, 62,083.91 and 11,810.09

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Solution

The fourth proportional to 41,387.90, 62,083.91 and 11,810.09 is: 17,715.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,387.90 : 62,083.91 = 11,810.09 : x
  2. Step 2: Convert to fraction form
    41,387.90/62,083.91 = 11,810.09/x
  3. Step 3: Cross multiply
    41,387.90x = 62,083.91 × 11,810.09
  4. Step 4: Simplify right side
    41,387.90x = 733,216,660.81
  5. Step 5: Solve for x
    x = 733,216,660.81/41,387.90
  6. Step 6: Final answer
    x = 17,715.72

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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.