Home / 41.18-56.71-38.57

Finding the Fourth Proportional to 41.18, 56.71 and 38.57

Calculator

Solution

The fourth proportional to 41.18, 56.71 and 38.57 is: 53.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    41.18 : 56.71 = 38.57 : x
  2. Step 2: Convert to fraction form
    41.18/56.71 = 38.57/x
  3. Step 3: Cross multiply
    41.18x = 56.71 × 38.57
  4. Step 4: Simplify right side
    41.18x = 2,186.97
  5. Step 5: Solve for x
    x = 2,186.97/41.18
  6. Step 6: Final answer
    x = 53.11

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.