Home / 84.96-127.47-39.34

Finding the Fourth Proportional to 84.96, 127.47 and 39.34

Calculator

Solution

The fourth proportional to 84.96, 127.47 and 39.34 is: 59.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    84.96 : 127.47 = 39.34 : x
  2. Step 2: Convert to fraction form
    84.96/127.47 = 39.34/x
  3. Step 3: Cross multiply
    84.96x = 127.47 × 39.34
  4. Step 4: Simplify right side
    84.96x = 5,014.79
  5. Step 5: Solve for x
    x = 5,014.79/84.96
  6. Step 6: Final answer
    x = 59.02

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.