Home / 49,722.72-74,584.28-20,141.11

Finding the Fourth Proportional to 49,722.72, 74,584.28 and 20,141.11

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Solution

The fourth proportional to 49,722.72, 74,584.28 and 20,141.11 is: 30,211.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,722.72 : 74,584.28 = 20,141.11 : x
  2. Step 2: Convert to fraction form
    49,722.72/74,584.28 = 20,141.11/x
  3. Step 3: Cross multiply
    49,722.72x = 74,584.28 × 20,141.11
  4. Step 4: Simplify right side
    49,722.72x = 1,502,210,187.75
  5. Step 5: Solve for x
    x = 1,502,210,187.75/49,722.72
  6. Step 6: Final answer
    x = 30,211.75

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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.