Home / 60.86-84.01-40.16

Finding the Fourth Proportional to 60.86, 84.01 and 40.16

Calculator

Solution

The fourth proportional to 60.86, 84.01 and 40.16 is: 55.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    60.86 : 84.01 = 40.16 : x
  2. Step 2: Convert to fraction form
    60.86/84.01 = 40.16/x
  3. Step 3: Cross multiply
    60.86x = 84.01 × 40.16
  4. Step 4: Simplify right side
    60.86x = 3,373.32
  5. Step 5: Solve for x
    x = 3,373.32/60.86
  6. Step 6: Final answer
    x = 55.43

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.