Home / 20,379.44-30,567.10-5,589.84

Finding the Fourth Proportional to 20,379.44, 30,567.10 and 5,589.84

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Solution

The fourth proportional to 20,379.44, 30,567.10 and 5,589.84 is: 8,384.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,379.44 : 30,567.10 = 5,589.84 : x
  2. Step 2: Convert to fraction form
    20,379.44/30,567.10 = 5,589.84/x
  3. Step 3: Cross multiply
    20,379.44x = 30,567.10 × 5,589.84
  4. Step 4: Simplify right side
    20,379.44x = 170,865,198.26
  5. Step 5: Solve for x
    x = 170,865,198.26/20,379.44
  6. Step 6: Final answer
    x = 8,384.19

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1.5x scale

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.