Home / 66,408-91,648.80-36,605.76

Finding the Fourth Proportional to 66,408, 91,648.80 and 36,605.76

Calculator

Solution

The fourth proportional to 66,408, 91,648.80 and 36,605.76 is: 50,519.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,408 : 91,648.80 = 36,605.76 : x
  2. Step 2: Convert to fraction form
    66,408/91,648.80 = 36,605.76/x
  3. Step 3: Cross multiply
    66,408x = 91,648.80 × 36,605.76
  4. Step 4: Simplify right side
    66,408x = 3,354,873,977.09
  5. Step 5: Solve for x
    x = 3,354,873,977.09/66,408
  6. Step 6: Final answer
    x = 50,519.12

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.