Home / 29.36-40.54-19.66

Finding the Fourth Proportional to 29.36, 40.54 and 19.66

Calculator

Solution

The fourth proportional to 29.36, 40.54 and 19.66 is: 27.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    29.36 : 40.54 = 19.66 : x
  2. Step 2: Convert to fraction form
    29.36/40.54 = 19.66/x
  3. Step 3: Cross multiply
    29.36x = 40.54 × 19.66
  4. Step 4: Simplify right side
    29.36x = 797.02
  5. Step 5: Solve for x
    x = 797.02/29.36
  6. Step 6: Final answer
    x = 27.15

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.