Home / 20,395.45-30,594.31-5,604.04

Finding the Fourth Proportional to 20,395.45, 30,594.31 and 5,604.04

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Solution

The fourth proportional to 20,395.45, 30,594.31 and 5,604.04 is: 8,406.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,395.45 : 30,594.31 = 5,604.04 : x
  2. Step 2: Convert to fraction form
    20,395.45/30,594.31 = 5,604.04/x
  3. Step 3: Cross multiply
    20,395.45x = 30,594.31 × 5,604.04
  4. Step 4: Simplify right side
    20,395.45x = 171,451,589.15
  5. Step 5: Solve for x
    x = 171,451,589.15/20,395.45
  6. Step 6: Final answer
    x = 8,406.37

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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.