Home / 42.46-63.50-30.92

Finding the Fourth Proportional to 42.46, 63.50 and 30.92

Calculator

Solution

The fourth proportional to 42.46, 63.50 and 30.92 is: 46.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    42.46 : 63.50 = 30.92 : x
  2. Step 2: Convert to fraction form
    42.46/63.50 = 30.92/x
  3. Step 3: Cross multiply
    42.46x = 63.50 × 30.92
  4. Step 4: Simplify right side
    42.46x = 1,962.95
  5. Step 5: Solve for x
    x = 1,962.95/42.46
  6. Step 6: Final answer
    x = 46.23

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.