Home / 36,309.78-50,098.68-21,193.86

Finding the Fourth Proportional to 36,309.78, 50,098.68 and 21,193.86

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Solution

The fourth proportional to 36,309.78, 50,098.68 and 21,193.86 is: 29,242.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,309.78 : 50,098.68 = 21,193.86 : x
  2. Step 2: Convert to fraction form
    36,309.78/50,098.68 = 21,193.86/x
  3. Step 3: Cross multiply
    36,309.78x = 50,098.68 × 21,193.86
  4. Step 4: Simplify right side
    36,309.78x = 1,061,784,410.10
  5. Step 5: Solve for x
    x = 1,061,784,410.10/36,309.78
  6. Step 6: Final answer
    x = 29,242.38

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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.