Home / 54,856.16-82,267.22-19,791.24

Finding the Fourth Proportional to 54,856.16, 82,267.22 and 19,791.24

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Solution

The fourth proportional to 54,856.16, 82,267.22 and 19,791.24 is: 29,680.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,856.16 : 82,267.22 = 19,791.24 : x
  2. Step 2: Convert to fraction form
    54,856.16/82,267.22 = 19,791.24/x
  3. Step 3: Cross multiply
    54,856.16x = 82,267.22 × 19,791.24
  4. Step 4: Simplify right side
    54,856.16x = 1,628,170,295.15
  5. Step 5: Solve for x
    x = 1,628,170,295.15/54,856.16
  6. Step 6: Final answer
    x = 29,680.72

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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.