Home / 66.14-91.28-41.59

Finding the Fourth Proportional to 66.14, 91.28 and 41.59

Calculator

Solution

The fourth proportional to 66.14, 91.28 and 41.59 is: 57.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    66.14 : 91.28 = 41.59 : x
  2. Step 2: Convert to fraction form
    66.14/91.28 = 41.59/x
  3. Step 3: Cross multiply
    66.14x = 91.28 × 41.59
  4. Step 4: Simplify right side
    66.14x = 3,796.06
  5. Step 5: Solve for x
    x = 3,796.06/66.14
  6. Step 6: Final answer
    x = 57.39

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.