Home / 72.43-108.33-41.92

Finding the Fourth Proportional to 72.43, 108.33 and 41.92

Calculator

Solution

The fourth proportional to 72.43, 108.33 and 41.92 is: 62.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    72.43 : 108.33 = 41.92 : x
  2. Step 2: Convert to fraction form
    72.43/108.33 = 41.92/x
  3. Step 3: Cross multiply
    72.43x = 108.33 × 41.92
  4. Step 4: Simplify right side
    72.43x = 4,541.19
  5. Step 5: Solve for x
    x = 4,541.19/72.43
  6. Step 6: Final answer
    x = 62.70

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.