Home / 72.92-109.34-32.38

Finding the Fourth Proportional to 72.92, 109.34 and 32.38

Calculator

Solution

The fourth proportional to 72.92, 109.34 and 32.38 is: 48.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    72.92 : 109.34 = 32.38 : x
  2. Step 2: Convert to fraction form
    72.92/109.34 = 32.38/x
  3. Step 3: Cross multiply
    72.92x = 109.34 × 32.38
  4. Step 4: Simplify right side
    72.92x = 3,540.43
  5. Step 5: Solve for x
    x = 3,540.43/72.92
  6. Step 6: Final answer
    x = 48.55

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.