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Finding the Fourth Proportional to 36,314.40, 50,117.79 and 21,982.11

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Solution

The fourth proportional to 36,314.40, 50,117.79 and 21,982.11 is: 30,337.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,314.40 : 50,117.79 = 21,982.11 : x
  2. Step 2: Convert to fraction form
    36,314.40/50,117.79 = 21,982.11/x
  3. Step 3: Cross multiply
    36,314.40x = 50,117.79 × 21,982.11
  4. Step 4: Simplify right side
    36,314.40x = 1,101,694,772.74
  5. Step 5: Solve for x
    x = 1,101,694,772.74/36,314.40
  6. Step 6: Final answer
    x = 30,337.68

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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.