Home / 54,933.19-82,399.78-13,380.19

Finding the Fourth Proportional to 54,933.19, 82,399.78 and 13,380.19

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Solution

The fourth proportional to 54,933.19, 82,399.78 and 13,380.19 is: 20,070.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,933.19 : 82,399.78 = 13,380.19 : x
  2. Step 2: Convert to fraction form
    54,933.19/82,399.78 = 13,380.19/x
  3. Step 3: Cross multiply
    54,933.19x = 82,399.78 × 13,380.19
  4. Step 4: Simplify right side
    54,933.19x = 1,102,524,523.08
  5. Step 5: Solve for x
    x = 1,102,524,523.08/54,933.19
  6. Step 6: Final answer
    x = 20,070.28

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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.