Home / 39.15-53.91-32.22

Finding the Fourth Proportional to 39.15, 53.91 and 32.22

Calculator

Solution

The fourth proportional to 39.15, 53.91 and 32.22 is: 44.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    39.15 : 53.91 = 32.22 : x
  2. Step 2: Convert to fraction form
    39.15/53.91 = 32.22/x
  3. Step 3: Cross multiply
    39.15x = 53.91 × 32.22
  4. Step 4: Simplify right side
    39.15x = 1,736.98
  5. Step 5: Solve for x
    x = 1,736.98/39.15
  6. Step 6: Final answer
    x = 44.37

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.