Home / 51,831.09-77,747.84-18,553.44

Finding the Fourth Proportional to 51,831.09, 77,747.84 and 18,553.44

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Solution

The fourth proportional to 51,831.09, 77,747.84 and 18,553.44 is: 27,830.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,831.09 : 77,747.84 = 18,553.44 : x
  2. Step 2: Convert to fraction form
    51,831.09/77,747.84 = 18,553.44/x
  3. Step 3: Cross multiply
    51,831.09x = 77,747.84 × 18,553.44
  4. Step 4: Simplify right side
    51,831.09x = 1,442,489,791.80
  5. Step 5: Solve for x
    x = 1,442,489,791.80/51,831.09
  6. Step 6: Final answer
    x = 27,830.59

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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.