Home / 49,956.24-74,938.68-20,376.12

Finding the Fourth Proportional to 49,956.24, 74,938.68 and 20,376.12

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Solution

The fourth proportional to 49,956.24, 74,938.68 and 20,376.12 is: 30,565.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,956.24 : 74,938.68 = 20,376.12 : x
  2. Step 2: Convert to fraction form
    49,956.24/74,938.68 = 20,376.12/x
  3. Step 3: Cross multiply
    49,956.24x = 74,938.68 × 20,376.12
  4. Step 4: Simplify right side
    49,956.24x = 1,526,959,536.32
  5. Step 5: Solve for x
    x = 1,526,959,536.32/49,956.24
  6. Step 6: Final answer
    x = 30,565.94

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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.