Home / 49,958.90-74,936.58-12,519.28

Finding the Fourth Proportional to 49,958.90, 74,936.58 and 12,519.28

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Solution

The fourth proportional to 49,958.90, 74,936.58 and 12,519.28 is: 18,778.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,958.90 : 74,936.58 = 12,519.28 : x
  2. Step 2: Convert to fraction form
    49,958.90/74,936.58 = 12,519.28/x
  3. Step 3: Cross multiply
    49,958.90x = 74,936.58 × 12,519.28
  4. Step 4: Simplify right side
    49,958.90x = 938,152,027.26
  5. Step 5: Solve for x
    x = 938,152,027.26/49,958.90
  6. Step 6: Final answer
    x = 18,778.48

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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.