Home / 50,825.11-70,137.61-28,163.90

Finding the Fourth Proportional to 50,825.11, 70,137.61 and 28,163.90

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Solution

The fourth proportional to 50,825.11, 70,137.61 and 28,163.90 is: 38,865.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,825.11 : 70,137.61 = 28,163.90 : x
  2. Step 2: Convert to fraction form
    50,825.11/70,137.61 = 28,163.90/x
  3. Step 3: Cross multiply
    50,825.11x = 70,137.61 × 28,163.90
  4. Step 4: Simplify right side
    50,825.11x = 1,975,348,634.28
  5. Step 5: Solve for x
    x = 1,975,348,634.28/50,825.11
  6. Step 6: Final answer
    x = 38,865.60

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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.