Home / 74,189.86-111,287.81-21,599.33

Finding the Fourth Proportional to 74,189.86, 111,287.81 and 21,599.33

Calculator

Solution

The fourth proportional to 74,189.86, 111,287.81 and 21,599.33 is: 32,399.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,189.86 : 111,287.81 = 21,599.33 : x
  2. Step 2: Convert to fraction form
    74,189.86/111,287.81 = 21,599.33/x
  3. Step 3: Cross multiply
    74,189.86x = 111,287.81 × 21,599.33
  4. Step 4: Simplify right side
    74,189.86x = 2,403,741,630.73
  5. Step 5: Solve for x
    x = 2,403,741,630.73/74,189.86
  6. Step 6: Final answer
    x = 32,399.87

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.