Home / 49,731.78-74,590.11-16,453.20

Finding the Fourth Proportional to 49,731.78, 74,590.11 and 16,453.20

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Solution

The fourth proportional to 49,731.78, 74,590.11 and 16,453.20 is: 24,677.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,731.78 : 74,590.11 = 16,453.20 : x
  2. Step 2: Convert to fraction form
    49,731.78/74,590.11 = 16,453.20/x
  3. Step 3: Cross multiply
    49,731.78x = 74,590.11 × 16,453.20
  4. Step 4: Simplify right side
    49,731.78x = 1,227,245,997.85
  5. Step 5: Solve for x
    x = 1,227,245,997.85/49,731.78
  6. Step 6: Final answer
    x = 24,677.30

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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.