Home / 95.49-143.21-31.37

Finding the Fourth Proportional to 95.49, 143.21 and 31.37

Calculator

Solution

The fourth proportional to 95.49, 143.21 and 31.37 is: 47.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    95.49 : 143.21 = 31.37 : x
  2. Step 2: Convert to fraction form
    95.49/143.21 = 31.37/x
  3. Step 3: Cross multiply
    95.49x = 143.21 × 31.37
  4. Step 4: Simplify right side
    95.49x = 4,491.86
  5. Step 5: Solve for x
    x = 4,491.86/95.49
  6. Step 6: Final answer
    x = 47.04

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.