Home / 30,279.99-41,785.75-16,850.44

Finding the Fourth Proportional to 30,279.99, 41,785.75 and 16,850.44

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Solution

The fourth proportional to 30,279.99, 41,785.75 and 16,850.44 is: 23,253.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,279.99 : 41,785.75 = 16,850.44 : x
  2. Step 2: Convert to fraction form
    30,279.99/41,785.75 = 16,850.44/x
  3. Step 3: Cross multiply
    30,279.99x = 41,785.75 × 16,850.44
  4. Step 4: Simplify right side
    30,279.99x = 704,108,273.23
  5. Step 5: Solve for x
    x = 704,108,273.23/30,279.99
  6. Step 6: Final answer
    x = 23,253.25

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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.