Home / 49.21-67.92-33.67

Finding the Fourth Proportional to 49.21, 67.92 and 33.67

Calculator

Solution

The fourth proportional to 49.21, 67.92 and 33.67 is: 46.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    49.21 : 67.92 = 33.67 : x
  2. Step 2: Convert to fraction form
    49.21/67.92 = 33.67/x
  3. Step 3: Cross multiply
    49.21x = 67.92 × 33.67
  4. Step 4: Simplify right side
    49.21x = 2,286.87
  5. Step 5: Solve for x
    x = 2,286.87/49.21
  6. Step 6: Final answer
    x = 46.47

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.