Home / 35.44-53.15-20.23

Finding the Fourth Proportional to 35.44, 53.15 and 20.23

Calculator

Solution

The fourth proportional to 35.44, 53.15 and 20.23 is: 30.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    35.44 : 53.15 = 20.23 : x
  2. Step 2: Convert to fraction form
    35.44/53.15 = 20.23/x
  3. Step 3: Cross multiply
    35.44x = 53.15 × 20.23
  4. Step 4: Simplify right side
    35.44x = 1,075.22
  5. Step 5: Solve for x
    x = 1,075.22/35.44
  6. Step 6: Final answer
    x = 30.34

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.