Home / 49,004.62-73,500-15,720.36

Finding the Fourth Proportional to 49,004.62, 73,500 and 15,720.36

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Solution

The fourth proportional to 49,004.62, 73,500 and 15,720.36 is: 23,578.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,004.62 : 73,500 = 15,720.36 : x
  2. Step 2: Convert to fraction form
    49,004.62/73,500 = 15,720.36/x
  3. Step 3: Cross multiply
    49,004.62x = 73,500 × 15,720.36
  4. Step 4: Simplify right side
    49,004.62x = 1,155,446,460
  5. Step 5: Solve for x
    x = 1,155,446,460/49,004.62
  6. Step 6: Final answer
    x = 23,578.32

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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.