Home / 43,418.33-65,132.20-13,829.33

Finding the Fourth Proportional to 43,418.33, 65,132.20 and 13,829.33

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Solution

The fourth proportional to 43,418.33, 65,132.20 and 13,829.33 is: 20,745.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,418.33 : 65,132.20 = 13,829.33 : x
  2. Step 2: Convert to fraction form
    43,418.33/65,132.20 = 13,829.33/x
  3. Step 3: Cross multiply
    43,418.33x = 65,132.20 × 13,829.33
  4. Step 4: Simplify right side
    43,418.33x = 900,734,867.54
  5. Step 5: Solve for x
    x = 900,734,867.54/43,418.33
  6. Step 6: Final answer
    x = 20,745.50

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1.5x scale

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.