Home / 72.61-108.88-24.50

Finding the Fourth Proportional to 72.61, 108.88 and 24.50

Calculator

Solution

The fourth proportional to 72.61, 108.88 and 24.50 is: 36.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    72.61 : 108.88 = 24.50 : x
  2. Step 2: Convert to fraction form
    72.61/108.88 = 24.50/x
  3. Step 3: Cross multiply
    72.61x = 108.88 × 24.50
  4. Step 4: Simplify right side
    72.61x = 2,667.56
  5. Step 5: Solve for x
    x = 2,667.56/72.61
  6. Step 6: Final answer
    x = 36.74

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.