Home / 53,754.82-80,648.55-21,717.46

Finding the Fourth Proportional to 53,754.82, 80,648.55 and 21,717.46

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Solution

The fourth proportional to 53,754.82, 80,648.55 and 21,717.46 is: 32,582.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,754.82 : 80,648.55 = 21,717.46 : x
  2. Step 2: Convert to fraction form
    53,754.82/80,648.55 = 21,717.46/x
  3. Step 3: Cross multiply
    53,754.82x = 80,648.55 × 21,717.46
  4. Step 4: Simplify right side
    53,754.82x = 1,751,481,658.68
  5. Step 5: Solve for x
    x = 1,751,481,658.68/53,754.82
  6. Step 6: Final answer
    x = 32,582.78

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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.