Home / 36,860.70-55,276.99-13,163.82

Finding the Fourth Proportional to 36,860.70, 55,276.99 and 13,163.82

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Solution

The fourth proportional to 36,860.70, 55,276.99 and 13,163.82 is: 19,740.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,860.70 : 55,276.99 = 13,163.82 : x
  2. Step 2: Convert to fraction form
    36,860.70/55,276.99 = 13,163.82/x
  3. Step 3: Cross multiply
    36,860.70x = 55,276.99 × 13,163.82
  4. Step 4: Simplify right side
    36,860.70x = 727,656,198.86
  5. Step 5: Solve for x
    x = 727,656,198.86/36,860.70
  6. Step 6: Final answer
    x = 19,740.71

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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.