Home / 30.67-46.01-13.55

Finding the Fourth Proportional to 30.67, 46.01 and 13.55

Calculator

Solution

The fourth proportional to 30.67, 46.01 and 13.55 is: 20.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    30.67 : 46.01 = 13.55 : x
  2. Step 2: Convert to fraction form
    30.67/46.01 = 13.55/x
  3. Step 3: Cross multiply
    30.67x = 46.01 × 13.55
  4. Step 4: Simplify right side
    30.67x = 623.44
  5. Step 5: Solve for x
    x = 623.44/30.67
  6. Step 6: Final answer
    x = 20.33

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.