Home / 68.57-94.62-39.46

Finding the Fourth Proportional to 68.57, 94.62 and 39.46

Calculator

Solution

The fourth proportional to 68.57, 94.62 and 39.46 is: 54.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    68.57 : 94.62 = 39.46 : x
  2. Step 2: Convert to fraction form
    68.57/94.62 = 39.46/x
  3. Step 3: Cross multiply
    68.57x = 94.62 × 39.46
  4. Step 4: Simplify right side
    68.57x = 3,733.23
  5. Step 5: Solve for x
    x = 3,733.23/68.57
  6. Step 6: Final answer
    x = 54.45

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.