Home / 52.09-77.98-38.62

Finding the Fourth Proportional to 52.09, 77.98 and 38.62

Calculator

Solution

The fourth proportional to 52.09, 77.98 and 38.62 is: 57.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    52.09 : 77.98 = 38.62 : x
  2. Step 2: Convert to fraction form
    52.09/77.98 = 38.62/x
  3. Step 3: Cross multiply
    52.09x = 77.98 × 38.62
  4. Step 4: Simplify right side
    52.09x = 3,011.66
  5. Step 5: Solve for x
    x = 3,011.66/52.09
  6. Step 6: Final answer
    x = 57.82

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.