Home / 57.54-79.38-46.61

Finding the Fourth Proportional to 57.54, 79.38 and 46.61

Calculator

Solution

The fourth proportional to 57.54, 79.38 and 46.61 is: 64.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    57.54 : 79.38 = 46.61 : x
  2. Step 2: Convert to fraction form
    57.54/79.38 = 46.61/x
  3. Step 3: Cross multiply
    57.54x = 79.38 × 46.61
  4. Step 4: Simplify right side
    57.54x = 3,699.80
  5. Step 5: Solve for x
    x = 3,699.80/57.54
  6. Step 6: Final answer
    x = 64.30

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.