Home / 49,738.64-74,584.56-20,133.94

Finding the Fourth Proportional to 49,738.64, 74,584.56 and 20,133.94

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Solution

The fourth proportional to 49,738.64, 74,584.56 and 20,133.94 is: 30,191.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,738.64 : 74,584.56 = 20,133.94 : x
  2. Step 2: Convert to fraction form
    49,738.64/74,584.56 = 20,133.94/x
  3. Step 3: Cross multiply
    49,738.64x = 74,584.56 × 20,133.94
  4. Step 4: Simplify right side
    49,738.64x = 1,501,681,055.97
  5. Step 5: Solve for x
    x = 1,501,681,055.97/49,738.64
  6. Step 6: Final answer
    x = 30,191.44

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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.