Home / 48,791.72-73,171.18-19,201.80

Finding the Fourth Proportional to 48,791.72, 73,171.18 and 19,201.80

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Solution

The fourth proportional to 48,791.72, 73,171.18 and 19,201.80 is: 28,796.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,791.72 : 73,171.18 = 19,201.80 : x
  2. Step 2: Convert to fraction form
    48,791.72/73,171.18 = 19,201.80/x
  3. Step 3: Cross multiply
    48,791.72x = 73,171.18 × 19,201.80
  4. Step 4: Simplify right side
    48,791.72x = 1,405,018,364.12
  5. Step 5: Solve for x
    x = 1,405,018,364.12/48,791.72
  6. Step 6: Final answer
    x = 28,796.25

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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.