Home / 30,279.48-41,785.11-16,850.49

Finding the Fourth Proportional to 30,279.48, 41,785.11 and 16,850.49

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Solution

The fourth proportional to 30,279.48, 41,785.11 and 16,850.49 is: 23,253.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,279.48 : 41,785.11 = 16,850.49 : x
  2. Step 2: Convert to fraction form
    30,279.48/41,785.11 = 16,850.49/x
  3. Step 3: Cross multiply
    30,279.48x = 41,785.11 × 16,850.49
  4. Step 4: Simplify right side
    30,279.48x = 704,099,578.20
  5. Step 5: Solve for x
    x = 704,099,578.20/30,279.48
  6. Step 6: Final answer
    x = 23,253.36

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1.5x scale

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.