Home / 48,542.29-72,800.39-20,462.56

Finding the Fourth Proportional to 48,542.29, 72,800.39 and 20,462.56

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Solution

The fourth proportional to 48,542.29, 72,800.39 and 20,462.56 is: 30,688.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,542.29 : 72,800.39 = 20,462.56 : x
  2. Step 2: Convert to fraction form
    48,542.29/72,800.39 = 20,462.56/x
  3. Step 3: Cross multiply
    48,542.29x = 72,800.39 × 20,462.56
  4. Step 4: Simplify right side
    48,542.29x = 1,489,682,217.55
  5. Step 5: Solve for x
    x = 1,489,682,217.55/48,542.29
  6. Step 6: Final answer
    x = 30,688.34

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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.