Home / 41,173.67-61,712.81-18,940.38

Finding the Fourth Proportional to 41,173.67, 61,712.81 and 18,940.38

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Solution

The fourth proportional to 41,173.67, 61,712.81 and 18,940.38 is: 28,388.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,173.67 : 61,712.81 = 18,940.38 : x
  2. Step 2: Convert to fraction form
    41,173.67/61,712.81 = 18,940.38/x
  3. Step 3: Cross multiply
    41,173.67x = 61,712.81 × 18,940.38
  4. Step 4: Simplify right side
    41,173.67x = 1,168,863,977.57
  5. Step 5: Solve for x
    x = 1,168,863,977.57/41,173.67
  6. Step 6: Final answer
    x = 28,388.63

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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.