Home / 37.85-56.74-19.83

Finding the Fourth Proportional to 37.85, 56.74 and 19.83

Calculator

Solution

The fourth proportional to 37.85, 56.74 and 19.83 is: 29.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    37.85 : 56.74 = 19.83 : x
  2. Step 2: Convert to fraction form
    37.85/56.74 = 19.83/x
  3. Step 3: Cross multiply
    37.85x = 56.74 × 19.83
  4. Step 4: Simplify right side
    37.85x = 1,125.15
  5. Step 5: Solve for x
    x = 1,125.15/37.85
  6. Step 6: Final answer
    x = 29.73

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.