Home / 54,450.96-81,685.09-18,923.14

Finding the Fourth Proportional to 54,450.96, 81,685.09 and 18,923.14

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Solution

The fourth proportional to 54,450.96, 81,685.09 and 18,923.14 is: 28,387.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,450.96 : 81,685.09 = 18,923.14 : x
  2. Step 2: Convert to fraction form
    54,450.96/81,685.09 = 18,923.14/x
  3. Step 3: Cross multiply
    54,450.96x = 81,685.09 × 18,923.14
  4. Step 4: Simplify right side
    54,450.96x = 1,545,738,393.98
  5. Step 5: Solve for x
    x = 1,545,738,393.98/54,450.96
  6. Step 6: Final answer
    x = 28,387.72

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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.