Home / 49,405.28-74,112.78-18,233.24

Finding the Fourth Proportional to 49,405.28, 74,112.78 and 18,233.24

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Solution

The fourth proportional to 49,405.28, 74,112.78 and 18,233.24 is: 27,351.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,405.28 : 74,112.78 = 18,233.24 : x
  2. Step 2: Convert to fraction form
    49,405.28/74,112.78 = 18,233.24/x
  3. Step 3: Cross multiply
    49,405.28x = 74,112.78 × 18,233.24
  4. Step 4: Simplify right side
    49,405.28x = 1,351,316,104.81
  5. Step 5: Solve for x
    x = 1,351,316,104.81/49,405.28
  6. Step 6: Final answer
    x = 27,351.65

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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.