Home / 67.37-93-42.81

Finding the Fourth Proportional to 67.37, 93 and 42.81

Calculator

Solution

The fourth proportional to 67.37, 93 and 42.81 is: 59.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    67.37 : 93 = 42.81 : x
  2. Step 2: Convert to fraction form
    67.37/93 = 42.81/x
  3. Step 3: Cross multiply
    67.37x = 93 × 42.81
  4. Step 4: Simplify right side
    67.37x = 3,981.33
  5. Step 5: Solve for x
    x = 3,981.33/67.37
  6. Step 6: Final answer
    x = 59.10

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.