Home / 55.07-82.36-45.92

Finding the Fourth Proportional to 55.07, 82.36 and 45.92

Calculator

Solution

The fourth proportional to 55.07, 82.36 and 45.92 is: 68.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    55.07 : 82.36 = 45.92 : x
  2. Step 2: Convert to fraction form
    55.07/82.36 = 45.92/x
  3. Step 3: Cross multiply
    55.07x = 82.36 × 45.92
  4. Step 4: Simplify right side
    55.07x = 3,781.97
  5. Step 5: Solve for x
    x = 3,781.97/55.07
  6. Step 6: Final answer
    x = 68.68

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.