Home / 49,469.28-74,176.16-21,371.80

Finding the Fourth Proportional to 49,469.28, 74,176.16 and 21,371.80

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Solution

The fourth proportional to 49,469.28, 74,176.16 and 21,371.80 is: 32,045.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,469.28 : 74,176.16 = 21,371.80 : x
  2. Step 2: Convert to fraction form
    49,469.28/74,176.16 = 21,371.80/x
  3. Step 3: Cross multiply
    49,469.28x = 74,176.16 × 21,371.80
  4. Step 4: Simplify right side
    49,469.28x = 1,585,278,056.29
  5. Step 5: Solve for x
    x = 1,585,278,056.29/49,469.28
  6. Step 6: Final answer
    x = 32,045.71

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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.