Home / 66,262.12-91,411.60-39,389.37

Finding the Fourth Proportional to 66,262.12, 91,411.60 and 39,389.37

Calculator

Solution

The fourth proportional to 66,262.12, 91,411.60 and 39,389.37 is: 54,339.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,262.12 : 91,411.60 = 39,389.37 : x
  2. Step 2: Convert to fraction form
    66,262.12/91,411.60 = 39,389.37/x
  3. Step 3: Cross multiply
    66,262.12x = 91,411.60 × 39,389.37
  4. Step 4: Simplify right side
    66,262.12x = 3,600,645,334.69
  5. Step 5: Solve for x
    x = 3,600,645,334.69/66,262.12
  6. Step 6: Final answer
    x = 54,339.42

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.