Home / 36,115.92-54,175.32-12,738.96

Finding the Fourth Proportional to 36,115.92, 54,175.32 and 12,738.96

Calculator

Solution

The fourth proportional to 36,115.92, 54,175.32 and 12,738.96 is: 19,108.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,115.92 : 54,175.32 = 12,738.96 : x
  2. Step 2: Convert to fraction form
    36,115.92/54,175.32 = 12,738.96/x
  3. Step 3: Cross multiply
    36,115.92x = 54,175.32 × 12,738.96
  4. Step 4: Simplify right side
    36,115.92x = 690,137,234.47
  5. Step 5: Solve for x
    x = 690,137,234.47/36,115.92
  6. Step 6: Final answer
    x = 19,108.95

Related Problems

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.