Home / 51.68-71.26-43.50

Finding the Fourth Proportional to 51.68, 71.26 and 43.50

Calculator

Solution

The fourth proportional to 51.68, 71.26 and 43.50 is: 59.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    51.68 : 71.26 = 43.50 : x
  2. Step 2: Convert to fraction form
    51.68/71.26 = 43.50/x
  3. Step 3: Cross multiply
    51.68x = 71.26 × 43.50
  4. Step 4: Simplify right side
    51.68x = 3,099.81
  5. Step 5: Solve for x
    x = 3,099.81/51.68
  6. Step 6: Final answer
    x = 59.98

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.