Home / 50,929.60-76,376.10-17,640.70

Finding the Fourth Proportional to 50,929.60, 76,376.10 and 17,640.70

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Solution

The fourth proportional to 50,929.60, 76,376.10 and 17,640.70 is: 26,454.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,929.60 : 76,376.10 = 17,640.70 : x
  2. Step 2: Convert to fraction form
    50,929.60/76,376.10 = 17,640.70/x
  3. Step 3: Cross multiply
    50,929.60x = 76,376.10 × 17,640.70
  4. Step 4: Simplify right side
    50,929.60x = 1,347,327,867.27
  5. Step 5: Solve for x
    x = 1,347,327,867.27/50,929.60
  6. Step 6: Final answer
    x = 26,454.71

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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.