Home / 39.16-54.02-29.44

Finding the Fourth Proportional to 39.16, 54.02 and 29.44

Calculator

Solution

The fourth proportional to 39.16, 54.02 and 29.44 is: 40.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    39.16 : 54.02 = 29.44 : x
  2. Step 2: Convert to fraction form
    39.16/54.02 = 29.44/x
  3. Step 3: Cross multiply
    39.16x = 54.02 × 29.44
  4. Step 4: Simplify right side
    39.16x = 1,590.35
  5. Step 5: Solve for x
    x = 1,590.35/39.16
  6. Step 6: Final answer
    x = 40.61

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.