Home / 43.47-65.53-40.54

Finding the Fourth Proportional to 43.47, 65.53 and 40.54

Calculator

Solution

The fourth proportional to 43.47, 65.53 and 40.54 is: 61.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    43.47 : 65.53 = 40.54 : x
  2. Step 2: Convert to fraction form
    43.47/65.53 = 40.54/x
  3. Step 3: Cross multiply
    43.47x = 65.53 × 40.54
  4. Step 4: Simplify right side
    43.47x = 2,656.26
  5. Step 5: Solve for x
    x = 2,656.26/43.47
  6. Step 6: Final answer
    x = 61.11

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.