Home / 49,107.06-73,656.27-21,018.42

Finding the Fourth Proportional to 49,107.06, 73,656.27 and 21,018.42

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Solution

The fourth proportional to 49,107.06, 73,656.27 and 21,018.42 is: 31,525.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,107.06 : 73,656.27 = 21,018.42 : x
  2. Step 2: Convert to fraction form
    49,107.06/73,656.27 = 21,018.42/x
  3. Step 3: Cross multiply
    49,107.06x = 73,656.27 × 21,018.42
  4. Step 4: Simplify right side
    49,107.06x = 1,548,138,418.49
  5. Step 5: Solve for x
    x = 1,548,138,418.49/49,107.06
  6. Step 6: Final answer
    x = 31,525.78

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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.