Home / 74-111.04-36

Finding the Fourth Proportional to 74, 111.04 and 36

Calculator

Solution

The fourth proportional to 74, 111.04 and 36 is: 54.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    74 : 111.04 = 36 : x
  2. Step 2: Convert to fraction form
    74/111.04 = 36/x
  3. Step 3: Cross multiply
    74x = 111.04 × 36
  4. Step 4: Simplify right side
    74x = 3,997.44
  5. Step 5: Solve for x
    x = 3,997.44/74
  6. Step 6: Final answer
    x = 54.02

Related Problems

Find fourth proportional to 37, 55.52 and 18
Half scale
Find fourth proportional to 148, 222.08 and 72
Double scale
Find fourth proportional to 75, 112.54 and 37
Similar ratio
Find fourth proportional to 111, 166.56 and 54
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.