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Finding the Fourth Proportional to 36,239, 50,009.91 and 21,142.04

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Solution

The fourth proportional to 36,239, 50,009.91 and 21,142.04 is: 29,176.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,239 : 50,009.91 = 21,142.04 : x
  2. Step 2: Convert to fraction form
    36,239/50,009.91 = 21,142.04/x
  3. Step 3: Cross multiply
    36,239x = 50,009.91 × 21,142.04
  4. Step 4: Simplify right side
    36,239x = 1,057,311,517.62
  5. Step 5: Solve for x
    x = 1,057,311,517.62/36,239
  6. Step 6: Final answer
    x = 29,176.07

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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.