Home / 20,029.11-30,002.61-11,245.59

Finding the Fourth Proportional to 20,029.11, 30,002.61 and 11,245.59

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Solution

The fourth proportional to 20,029.11, 30,002.61 and 11,245.59 is: 16,845.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,029.11 : 30,002.61 = 11,245.59 : x
  2. Step 2: Convert to fraction form
    20,029.11/30,002.61 = 11,245.59/x
  3. Step 3: Cross multiply
    20,029.11x = 30,002.61 × 11,245.59
  4. Step 4: Simplify right side
    20,029.11x = 337,397,050.99
  5. Step 5: Solve for x
    x = 337,397,050.99/20,029.11
  6. Step 6: Final answer
    x = 16,845.33

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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.