Home / 20,550.26-30,825.32-4,967.90

Finding the Fourth Proportional to 20,550.26, 30,825.32 and 4,967.90

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Solution

The fourth proportional to 20,550.26, 30,825.32 and 4,967.90 is: 7,451.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,550.26 : 30,825.32 = 4,967.90 : x
  2. Step 2: Convert to fraction form
    20,550.26/30,825.32 = 4,967.90/x
  3. Step 3: Cross multiply
    20,550.26x = 30,825.32 × 4,967.90
  4. Step 4: Simplify right side
    20,550.26x = 153,137,107.23
  5. Step 5: Solve for x
    x = 153,137,107.23/20,550.26
  6. Step 6: Final answer
    x = 7,451.83

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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.