Home / 30,396.03-45,589.68-8,210.73

Finding the Fourth Proportional to 30,396.03, 45,589.68 and 8,210.73

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Solution

The fourth proportional to 30,396.03, 45,589.68 and 8,210.73 is: 12,314.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,396.03 : 45,589.68 = 8,210.73 : x
  2. Step 2: Convert to fraction form
    30,396.03/45,589.68 = 8,210.73/x
  3. Step 3: Cross multiply
    30,396.03x = 45,589.68 × 8,210.73
  4. Step 4: Simplify right side
    30,396.03x = 374,324,553.27
  5. Step 5: Solve for x
    x = 374,324,553.27/30,396.03
  6. Step 6: Final answer
    x = 12,314.92

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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.