Home / 37,791.36-52,153.92-21,872.96

Finding the Fourth Proportional to 37,791.36, 52,153.92 and 21,872.96

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Solution

The fourth proportional to 37,791.36, 52,153.92 and 21,872.96 is: 30,185.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,791.36 : 52,153.92 = 21,872.96 : x
  2. Step 2: Convert to fraction form
    37,791.36/52,153.92 = 21,872.96/x
  3. Step 3: Cross multiply
    37,791.36x = 52,153.92 × 21,872.96
  4. Step 4: Simplify right side
    37,791.36x = 1,140,760,606.00
  5. Step 5: Solve for x
    x = 1,140,760,606.00/37,791.36
  6. Step 6: Final answer
    x = 30,185.75

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1.5x scale

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.