Home / 38,590.79-57,893.07-13,645.32

Finding the Fourth Proportional to 38,590.79, 57,893.07 and 13,645.32

Calculator

Solution

The fourth proportional to 38,590.79, 57,893.07 and 13,645.32 is: 20,470.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,590.79 : 57,893.07 = 13,645.32 : x
  2. Step 2: Convert to fraction form
    38,590.79/57,893.07 = 13,645.32/x
  3. Step 3: Cross multiply
    38,590.79x = 57,893.07 × 13,645.32
  4. Step 4: Simplify right side
    38,590.79x = 789,969,465.93
  5. Step 5: Solve for x
    x = 789,969,465.93/38,590.79
  6. Step 6: Final answer
    x = 20,470.41

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.