Home / 39,911.76-55,078.38-23,996.43

Finding the Fourth Proportional to 39,911.76, 55,078.38 and 23,996.43

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Solution

The fourth proportional to 39,911.76, 55,078.38 and 23,996.43 is: 33,115.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,911.76 : 55,078.38 = 23,996.43 : x
  2. Step 2: Convert to fraction form
    39,911.76/55,078.38 = 23,996.43/x
  3. Step 3: Cross multiply
    39,911.76x = 55,078.38 × 23,996.43
  4. Step 4: Simplify right side
    39,911.76x = 1,321,684,490.18
  5. Step 5: Solve for x
    x = 1,321,684,490.18/39,911.76
  6. Step 6: Final answer
    x = 33,115.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.