Home / 20,029.23-30,074.42-16,949.61

Finding the Fourth Proportional to 20,029.23, 30,074.42 and 16,949.61

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Solution

The fourth proportional to 20,029.23, 30,074.42 and 16,949.61 is: 25,450.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,029.23 : 30,074.42 = 16,949.61 : x
  2. Step 2: Convert to fraction form
    20,029.23/30,074.42 = 16,949.61/x
  3. Step 3: Cross multiply
    20,029.23x = 30,074.42 × 16,949.61
  4. Step 4: Simplify right side
    20,029.23x = 509,749,732.35
  5. Step 5: Solve for x
    x = 509,749,732.35/20,029.23
  6. Step 6: Final answer
    x = 25,450.29

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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.