Home / 31.63-43.55-25.06

Finding the Fourth Proportional to 31.63, 43.55 and 25.06

Calculator

Solution

The fourth proportional to 31.63, 43.55 and 25.06 is: 34.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    31.63 : 43.55 = 25.06 : x
  2. Step 2: Convert to fraction form
    31.63/43.55 = 25.06/x
  3. Step 3: Cross multiply
    31.63x = 43.55 × 25.06
  4. Step 4: Simplify right side
    31.63x = 1,091.36
  5. Step 5: Solve for x
    x = 1,091.36/31.63
  6. Step 6: Final answer
    x = 34.50

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.