Home / 49,836.72-74,767.08-18,672.24

Finding the Fourth Proportional to 49,836.72, 74,767.08 and 18,672.24

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Solution

The fourth proportional to 49,836.72, 74,767.08 and 18,672.24 is: 28,012.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,836.72 : 74,767.08 = 18,672.24 : x
  2. Step 2: Convert to fraction form
    49,836.72/74,767.08 = 18,672.24/x
  3. Step 3: Cross multiply
    49,836.72x = 74,767.08 × 18,672.24
  4. Step 4: Simplify right side
    49,836.72x = 1,396,068,861.86
  5. Step 5: Solve for x
    x = 1,396,068,861.86/49,836.72
  6. Step 6: Final answer
    x = 28,012.86

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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.