Home / 66,390.87-91,618.57-36,175.41

Finding the Fourth Proportional to 66,390.87, 91,618.57 and 36,175.41

Calculator

Solution

The fourth proportional to 66,390.87, 91,618.57 and 36,175.41 is: 49,921.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,390.87 : 91,618.57 = 36,175.41 : x
  2. Step 2: Convert to fraction form
    66,390.87/91,618.57 = 36,175.41/x
  3. Step 3: Cross multiply
    66,390.87x = 91,618.57 × 36,175.41
  4. Step 4: Simplify right side
    66,390.87x = 3,314,339,333.36
  5. Step 5: Solve for x
    x = 3,314,339,333.36/66,390.87
  6. Step 6: Final answer
    x = 49,921.61

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.