Home / 49,745.60-74,637.78-18,583.28

Finding the Fourth Proportional to 49,745.60, 74,637.78 and 18,583.28

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Solution

The fourth proportional to 49,745.60, 74,637.78 and 18,583.28 is: 27,882.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,745.60 : 74,637.78 = 18,583.28 : x
  2. Step 2: Convert to fraction form
    49,745.60/74,637.78 = 18,583.28/x
  3. Step 3: Cross multiply
    49,745.60x = 74,637.78 × 18,583.28
  4. Step 4: Simplify right side
    49,745.60x = 1,387,014,764.32
  5. Step 5: Solve for x
    x = 1,387,014,764.32/49,745.60
  6. Step 6: Final answer
    x = 27,882.16

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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.