Home / 36,791.96-50,772.44-21,685.28

Finding the Fourth Proportional to 36,791.96, 50,772.44 and 21,685.28

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Solution

The fourth proportional to 36,791.96, 50,772.44 and 21,685.28 is: 29,925.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,791.96 : 50,772.44 = 21,685.28 : x
  2. Step 2: Convert to fraction form
    36,791.96/50,772.44 = 21,685.28/x
  3. Step 3: Cross multiply
    36,791.96x = 50,772.44 × 21,685.28
  4. Step 4: Simplify right side
    36,791.96x = 1,101,014,577.68
  5. Step 5: Solve for x
    x = 1,101,014,577.68/36,791.96
  6. Step 6: Final answer
    x = 29,925.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.