Home / 54.48-81.73-27.03

Finding the Fourth Proportional to 54.48, 81.73 and 27.03

Calculator

Solution

The fourth proportional to 54.48, 81.73 and 27.03 is: 40.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    54.48 : 81.73 = 27.03 : x
  2. Step 2: Convert to fraction form
    54.48/81.73 = 27.03/x
  3. Step 3: Cross multiply
    54.48x = 81.73 × 27.03
  4. Step 4: Simplify right side
    54.48x = 2,209.16
  5. Step 5: Solve for x
    x = 2,209.16/54.48
  6. Step 6: Final answer
    x = 40.55

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.