Home / 55.22-82.76-48.42

Finding the Fourth Proportional to 55.22, 82.76 and 48.42

Calculator

Solution

The fourth proportional to 55.22, 82.76 and 48.42 is: 72.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    55.22 : 82.76 = 48.42 : x
  2. Step 2: Convert to fraction form
    55.22/82.76 = 48.42/x
  3. Step 3: Cross multiply
    55.22x = 82.76 × 48.42
  4. Step 4: Simplify right side
    55.22x = 4,007.00
  5. Step 5: Solve for x
    x = 4,007.00/55.22
  6. Step 6: Final answer
    x = 72.57

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.