Home / 49,956.38-74,932.84-12,516.78

Finding the Fourth Proportional to 49,956.38, 74,932.84 and 12,516.78

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Solution

The fourth proportional to 49,956.38, 74,932.84 and 12,516.78 is: 18,774.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,956.38 : 74,932.84 = 12,516.78 : x
  2. Step 2: Convert to fraction form
    49,956.38/74,932.84 = 12,516.78/x
  3. Step 3: Cross multiply
    49,956.38x = 74,932.84 × 12,516.78
  4. Step 4: Simplify right side
    49,956.38x = 937,917,873.06
  5. Step 5: Solve for x
    x = 937,917,873.06/49,956.38
  6. Step 6: Final answer
    x = 18,774.74

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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.