Home / 47.97-66.24-31.59

Finding the Fourth Proportional to 47.97, 66.24 and 31.59

Calculator

Solution

The fourth proportional to 47.97, 66.24 and 31.59 is: 43.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    47.97 : 66.24 = 31.59 : x
  2. Step 2: Convert to fraction form
    47.97/66.24 = 31.59/x
  3. Step 3: Cross multiply
    47.97x = 66.24 × 31.59
  4. Step 4: Simplify right side
    47.97x = 2,092.52
  5. Step 5: Solve for x
    x = 2,092.52/47.97
  6. Step 6: Final answer
    x = 43.62

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.