Home / 49,963.26-74,892.81-20,368.86

Finding the Fourth Proportional to 49,963.26, 74,892.81 and 20,368.86

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Solution

The fourth proportional to 49,963.26, 74,892.81 and 20,368.86 is: 30,532.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,963.26 : 74,892.81 = 20,368.86 : x
  2. Step 2: Convert to fraction form
    49,963.26/74,892.81 = 20,368.86/x
  3. Step 3: Cross multiply
    49,963.26x = 74,892.81 × 20,368.86
  4. Step 4: Simplify right side
    49,963.26x = 1,525,481,161.90
  5. Step 5: Solve for x
    x = 1,525,481,161.90/49,963.26
  6. Step 6: Final answer
    x = 30,532.06

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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.