Home / 44.45-66.60-38.48

Finding the Fourth Proportional to 44.45, 66.60 and 38.48

Calculator

Solution

The fourth proportional to 44.45, 66.60 and 38.48 is: 57.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    44.45 : 66.60 = 38.48 : x
  2. Step 2: Convert to fraction form
    44.45/66.60 = 38.48/x
  3. Step 3: Cross multiply
    44.45x = 66.60 × 38.48
  4. Step 4: Simplify right side
    44.45x = 2,562.77
  5. Step 5: Solve for x
    x = 2,562.77/44.45
  6. Step 6: Final answer
    x = 57.66

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.