Home / 64,969.73-89,659.70-38,131.59

Finding the Fourth Proportional to 64,969.73, 89,659.70 and 38,131.59

Calculator

Solution

The fourth proportional to 64,969.73, 89,659.70 and 38,131.59 is: 52,622.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,969.73 : 89,659.70 = 38,131.59 : x
  2. Step 2: Convert to fraction form
    64,969.73/89,659.70 = 38,131.59/x
  3. Step 3: Cross multiply
    64,969.73x = 89,659.70 × 38,131.59
  4. Step 4: Simplify right side
    64,969.73x = 3,418,866,729.27
  5. Step 5: Solve for x
    x = 3,418,866,729.27/64,969.73
  6. Step 6: Final answer
    x = 52,622.46

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.