Home / 53,571.56-80,351.17-21,549.43

Finding the Fourth Proportional to 53,571.56, 80,351.17 and 21,549.43

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Solution

The fourth proportional to 53,571.56, 80,351.17 and 21,549.43 is: 32,321.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,571.56 : 80,351.17 = 21,549.43 : x
  2. Step 2: Convert to fraction form
    53,571.56/80,351.17 = 21,549.43/x
  3. Step 3: Cross multiply
    53,571.56x = 80,351.17 × 21,549.43
  4. Step 4: Simplify right side
    53,571.56x = 1,731,521,913.33
  5. Step 5: Solve for x
    x = 1,731,521,913.33/53,571.56
  6. Step 6: Final answer
    x = 32,321.66

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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.