Home / 42.16-58.16-29.83

Finding the Fourth Proportional to 42.16, 58.16 and 29.83

Calculator

Solution

The fourth proportional to 42.16, 58.16 and 29.83 is: 41.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    42.16 : 58.16 = 29.83 : x
  2. Step 2: Convert to fraction form
    42.16/58.16 = 29.83/x
  3. Step 3: Cross multiply
    42.16x = 58.16 × 29.83
  4. Step 4: Simplify right side
    42.16x = 1,734.47
  5. Step 5: Solve for x
    x = 1,734.47/42.16
  6. Step 6: Final answer
    x = 41.15

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.