Home / 30,620.50-45,941.69-15,049.06

Finding the Fourth Proportional to 30,620.50, 45,941.69 and 15,049.06

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Solution

The fourth proportional to 30,620.50, 45,941.69 and 15,049.06 is: 22,578.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,620.50 : 45,941.69 = 15,049.06 : x
  2. Step 2: Convert to fraction form
    30,620.50/45,941.69 = 15,049.06/x
  3. Step 3: Cross multiply
    30,620.50x = 45,941.69 × 15,049.06
  4. Step 4: Simplify right side
    30,620.50x = 691,379,249.31
  5. Step 5: Solve for x
    x = 691,379,249.31/30,620.50
  6. Step 6: Final answer
    x = 22,578.97

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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.