Home / 49,956.70-74,963.85-18,814.30

Finding the Fourth Proportional to 49,956.70, 74,963.85 and 18,814.30

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Solution

The fourth proportional to 49,956.70, 74,963.85 and 18,814.30 is: 28,232.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,956.70 : 74,963.85 = 18,814.30 : x
  2. Step 2: Convert to fraction form
    49,956.70/74,963.85 = 18,814.30/x
  3. Step 3: Cross multiply
    49,956.70x = 74,963.85 × 18,814.30
  4. Step 4: Simplify right side
    49,956.70x = 1,410,392,363.06
  5. Step 5: Solve for x
    x = 1,410,392,363.06/49,956.70
  6. Step 6: Final answer
    x = 28,232.30

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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.