Home / 52.14-71.95-30.31

Finding the Fourth Proportional to 52.14, 71.95 and 30.31

Calculator

Solution

The fourth proportional to 52.14, 71.95 and 30.31 is: 41.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    52.14 : 71.95 = 30.31 : x
  2. Step 2: Convert to fraction form
    52.14/71.95 = 30.31/x
  3. Step 3: Cross multiply
    52.14x = 71.95 × 30.31
  4. Step 4: Simplify right side
    52.14x = 2,180.66
  5. Step 5: Solve for x
    x = 2,180.66/52.14
  6. Step 6: Final answer
    x = 41.83

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.