Home / 35,494.22-48,982.07-20,389.80

Finding the Fourth Proportional to 35,494.22, 48,982.07 and 20,389.80

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Solution

The fourth proportional to 35,494.22, 48,982.07 and 20,389.80 is: 28,137.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,494.22 : 48,982.07 = 20,389.80 : x
  2. Step 2: Convert to fraction form
    35,494.22/48,982.07 = 20,389.80/x
  3. Step 3: Cross multiply
    35,494.22x = 48,982.07 × 20,389.80
  4. Step 4: Simplify right side
    35,494.22x = 998,734,508.94
  5. Step 5: Solve for x
    x = 998,734,508.94/35,494.22
  6. Step 6: Final answer
    x = 28,137.95

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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.