Home / 36,310.65-50,103.25-20,392.03

Finding the Fourth Proportional to 36,310.65, 50,103.25 and 20,392.03

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Solution

The fourth proportional to 36,310.65, 50,103.25 and 20,392.03 is: 28,137.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,310.65 : 50,103.25 = 20,392.03 : x
  2. Step 2: Convert to fraction form
    36,310.65/50,103.25 = 20,392.03/x
  3. Step 3: Cross multiply
    36,310.65x = 50,103.25 × 20,392.03
  4. Step 4: Simplify right side
    36,310.65x = 1,021,706,977.10
  5. Step 5: Solve for x
    x = 1,021,706,977.10/36,310.65
  6. Step 6: Final answer
    x = 28,137.94

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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.