Home / 57.19-85.64-36.84

Finding the Fourth Proportional to 57.19, 85.64 and 36.84

Calculator

Solution

The fourth proportional to 57.19, 85.64 and 36.84 is: 55.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    57.19 : 85.64 = 36.84 : x
  2. Step 2: Convert to fraction form
    57.19/85.64 = 36.84/x
  3. Step 3: Cross multiply
    57.19x = 85.64 × 36.84
  4. Step 4: Simplify right side
    57.19x = 3,154.98
  5. Step 5: Solve for x
    x = 3,154.98/57.19
  6. Step 6: Final answer
    x = 55.17

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.