Home / 65.42-90.24-46.96

Finding the Fourth Proportional to 65.42, 90.24 and 46.96

Calculator

Solution

The fourth proportional to 65.42, 90.24 and 46.96 is: 64.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    65.42 : 90.24 = 46.96 : x
  2. Step 2: Convert to fraction form
    65.42/90.24 = 46.96/x
  3. Step 3: Cross multiply
    65.42x = 90.24 × 46.96
  4. Step 4: Simplify right side
    65.42x = 4,237.67
  5. Step 5: Solve for x
    x = 4,237.67/65.42
  6. Step 6: Final answer
    x = 64.78

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.