Home / 48.45-72.62-36.48

Finding the Fourth Proportional to 48.45, 72.62 and 36.48

Calculator

Solution

The fourth proportional to 48.45, 72.62 and 36.48 is: 54.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    48.45 : 72.62 = 36.48 : x
  2. Step 2: Convert to fraction form
    48.45/72.62 = 36.48/x
  3. Step 3: Cross multiply
    48.45x = 72.62 × 36.48
  4. Step 4: Simplify right side
    48.45x = 2,648.91
  5. Step 5: Solve for x
    x = 2,648.91/48.45
  6. Step 6: Final answer
    x = 54.68

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.