Home / 36,181.60-49,936.79-21,083.21

Finding the Fourth Proportional to 36,181.60, 49,936.79 and 21,083.21

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Solution

The fourth proportional to 36,181.60, 49,936.79 and 21,083.21 is: 29,098.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,181.60 : 49,936.79 = 21,083.21 : x
  2. Step 2: Convert to fraction form
    36,181.60/49,936.79 = 21,083.21/x
  3. Step 3: Cross multiply
    36,181.60x = 49,936.79 × 21,083.21
  4. Step 4: Simplify right side
    36,181.60x = 1,052,827,830.30
  5. Step 5: Solve for x
    x = 1,052,827,830.30/36,181.60
  6. Step 6: Final answer
    x = 29,098.43

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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.