Home / 36,381.87-50,207.72-21,286.08

Finding the Fourth Proportional to 36,381.87, 50,207.72 and 21,286.08

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Solution

The fourth proportional to 36,381.87, 50,207.72 and 21,286.08 is: 29,375.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,381.87 : 50,207.72 = 21,286.08 : x
  2. Step 2: Convert to fraction form
    36,381.87/50,207.72 = 21,286.08/x
  3. Step 3: Cross multiply
    36,381.87x = 50,207.72 × 21,286.08
  4. Step 4: Simplify right side
    36,381.87x = 1,068,725,438.11
  5. Step 5: Solve for x
    x = 1,068,725,438.11/36,381.87
  6. Step 6: Final answer
    x = 29,375.22

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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.