Home / 49,846.22-74,747.45-18,659.60

Finding the Fourth Proportional to 49,846.22, 74,747.45 and 18,659.60

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Solution

The fourth proportional to 49,846.22, 74,747.45 and 18,659.60 is: 27,981.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,846.22 : 74,747.45 = 18,659.60 : x
  2. Step 2: Convert to fraction form
    49,846.22/74,747.45 = 18,659.60/x
  3. Step 3: Cross multiply
    49,846.22x = 74,747.45 × 18,659.60
  4. Step 4: Simplify right side
    49,846.22x = 1,394,757,518.02
  5. Step 5: Solve for x
    x = 1,394,757,518.02/49,846.22
  6. Step 6: Final answer
    x = 27,981.21

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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.