Home / 49,629.30-74,422.40-18,028.86

Finding the Fourth Proportional to 49,629.30, 74,422.40 and 18,028.86

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Solution

The fourth proportional to 49,629.30, 74,422.40 and 18,028.86 is: 27,035.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,629.30 : 74,422.40 = 18,028.86 : x
  2. Step 2: Convert to fraction form
    49,629.30/74,422.40 = 18,028.86/x
  3. Step 3: Cross multiply
    49,629.30x = 74,422.40 × 18,028.86
  4. Step 4: Simplify right side
    49,629.30x = 1,341,750,940.32
  5. Step 5: Solve for x
    x = 1,341,750,940.32/49,629.30
  6. Step 6: Final answer
    x = 27,035.46

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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.