Home / 61.76-92.60-37.72

Finding the Fourth Proportional to 61.76, 92.60 and 37.72

Calculator

Solution

The fourth proportional to 61.76, 92.60 and 37.72 is: 56.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    61.76 : 92.60 = 37.72 : x
  2. Step 2: Convert to fraction form
    61.76/92.60 = 37.72/x
  3. Step 3: Cross multiply
    61.76x = 92.60 × 37.72
  4. Step 4: Simplify right side
    61.76x = 3,492.87
  5. Step 5: Solve for x
    x = 3,492.87/61.76
  6. Step 6: Final answer
    x = 56.56

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.