Home / 47.86-71.76-32.64

Finding the Fourth Proportional to 47.86, 71.76 and 32.64

Calculator

Solution

The fourth proportional to 47.86, 71.76 and 32.64 is: 48.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    47.86 : 71.76 = 32.64 : x
  2. Step 2: Convert to fraction form
    47.86/71.76 = 32.64/x
  3. Step 3: Cross multiply
    47.86x = 71.76 × 32.64
  4. Step 4: Simplify right side
    47.86x = 2,342.61
  5. Step 5: Solve for x
    x = 2,342.61/47.86
  6. Step 6: Final answer
    x = 48.95

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.