Home / 49,824.78-74,749.29-14,286.78

Finding the Fourth Proportional to 49,824.78, 74,749.29 and 14,286.78

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Solution

The fourth proportional to 49,824.78, 74,749.29 and 14,286.78 is: 21,433.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,824.78 : 74,749.29 = 14,286.78 : x
  2. Step 2: Convert to fraction form
    49,824.78/74,749.29 = 14,286.78/x
  3. Step 3: Cross multiply
    49,824.78x = 74,749.29 × 14,286.78
  4. Step 4: Simplify right side
    49,824.78x = 1,067,926,661.39
  5. Step 5: Solve for x
    x = 1,067,926,661.39/49,824.78
  6. Step 6: Final answer
    x = 21,433.65

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1.5x scale

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.