Home / 30,310.20-41,825.52-16,879.32

Finding the Fourth Proportional to 30,310.20, 41,825.52 and 16,879.32

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Solution

The fourth proportional to 30,310.20, 41,825.52 and 16,879.32 is: 23,292.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,310.20 : 41,825.52 = 16,879.32 : x
  2. Step 2: Convert to fraction form
    30,310.20/41,825.52 = 16,879.32/x
  3. Step 3: Cross multiply
    30,310.20x = 41,825.52 × 16,879.32
  4. Step 4: Simplify right side
    30,310.20x = 705,986,336.25
  5. Step 5: Solve for x
    x = 705,986,336.25/30,310.20
  6. Step 6: Final answer
    x = 23,292.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.