Home / 51,851.22-77,792.97-18,571.57

Finding the Fourth Proportional to 51,851.22, 77,792.97 and 18,571.57

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Solution

The fourth proportional to 51,851.22, 77,792.97 and 18,571.57 is: 27,863.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,851.22 : 77,792.97 = 18,571.57 : x
  2. Step 2: Convert to fraction form
    51,851.22/77,792.97 = 18,571.57/x
  3. Step 3: Cross multiply
    51,851.22x = 77,792.97 × 18,571.57
  4. Step 4: Simplify right side
    51,851.22x = 1,444,737,393.38
  5. Step 5: Solve for x
    x = 1,444,737,393.38/51,851.22
  6. Step 6: Final answer
    x = 27,863.13

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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.