Home / 49,351.14-74,031.41-13,812.48

Finding the Fourth Proportional to 49,351.14, 74,031.41 and 13,812.48

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Solution

The fourth proportional to 49,351.14, 74,031.41 and 13,812.48 is: 20,720.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,351.14 : 74,031.41 = 13,812.48 : x
  2. Step 2: Convert to fraction form
    49,351.14/74,031.41 = 13,812.48/x
  3. Step 3: Cross multiply
    49,351.14x = 74,031.41 × 13,812.48
  4. Step 4: Simplify right side
    49,351.14x = 1,022,557,404.53
  5. Step 5: Solve for x
    x = 1,022,557,404.53/49,351.14
  6. Step 6: Final answer
    x = 20,720.04

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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.