Home / 53,571.72-80,362.98-14,131.56

Finding the Fourth Proportional to 53,571.72, 80,362.98 and 14,131.56

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Solution

The fourth proportional to 53,571.72, 80,362.98 and 14,131.56 is: 21,198.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,571.72 : 80,362.98 = 14,131.56 : x
  2. Step 2: Convert to fraction form
    53,571.72/80,362.98 = 14,131.56/x
  3. Step 3: Cross multiply
    53,571.72x = 80,362.98 × 14,131.56
  4. Step 4: Simplify right side
    53,571.72x = 1,135,654,273.65
  5. Step 5: Solve for x
    x = 1,135,654,273.65/53,571.72
  6. Step 6: Final answer
    x = 21,198.76

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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.