Home / 29.62-40.80-23.14

Finding the Fourth Proportional to 29.62, 40.80 and 23.14

Calculator

Solution

The fourth proportional to 29.62, 40.80 and 23.14 is: 31.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    29.62 : 40.80 = 23.14 : x
  2. Step 2: Convert to fraction form
    29.62/40.80 = 23.14/x
  3. Step 3: Cross multiply
    29.62x = 40.80 × 23.14
  4. Step 4: Simplify right side
    29.62x = 944.11
  5. Step 5: Solve for x
    x = 944.11/29.62
  6. Step 6: Final answer
    x = 31.87

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.