Home / 40,772.97-61,180.34-18,583.47

Finding the Fourth Proportional to 40,772.97, 61,180.34 and 18,583.47

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Solution

The fourth proportional to 40,772.97, 61,180.34 and 18,583.47 is: 27,884.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,772.97 : 61,180.34 = 18,583.47 : x
  2. Step 2: Convert to fraction form
    40,772.97/61,180.34 = 18,583.47/x
  3. Step 3: Cross multiply
    40,772.97x = 61,180.34 × 18,583.47
  4. Step 4: Simplify right side
    40,772.97x = 1,136,942,920.06
  5. Step 5: Solve for x
    x = 1,136,942,920.06/40,772.97
  6. Step 6: Final answer
    x = 27,884.72

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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.