Home / 60.85-84.00-39.03

Finding the Fourth Proportional to 60.85, 84.00 and 39.03

Calculator

Solution

The fourth proportional to 60.85, 84.00 and 39.03 is: 53.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    60.85 : 84.00 = 39.03 : x
  2. Step 2: Convert to fraction form
    60.85/84.00 = 39.03/x
  3. Step 3: Cross multiply
    60.85x = 84.00 × 39.03
  4. Step 4: Simplify right side
    60.85x = 3,278.82
  5. Step 5: Solve for x
    x = 3,278.82/60.85
  6. Step 6: Final answer
    x = 53.88

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.