Home / 30,620.11-45,930.16-9,843.61

Finding the Fourth Proportional to 30,620.11, 45,930.16 and 9,843.61

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Solution

The fourth proportional to 30,620.11, 45,930.16 and 9,843.61 is: 14,765.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,620.11 : 45,930.16 = 9,843.61 : x
  2. Step 2: Convert to fraction form
    30,620.11/45,930.16 = 9,843.61/x
  3. Step 3: Cross multiply
    30,620.11x = 45,930.16 × 9,843.61
  4. Step 4: Simplify right side
    30,620.11x = 452,118,593.56
  5. Step 5: Solve for x
    x = 452,118,593.56/30,620.11
  6. Step 6: Final answer
    x = 14,765.41

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1.5x scale

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.