Home / 36,821.33-50,810.32-20,687.38

Finding the Fourth Proportional to 36,821.33, 50,810.32 and 20,687.38

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Solution

The fourth proportional to 36,821.33, 50,810.32 and 20,687.38 is: 28,546.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,821.33 : 50,810.32 = 20,687.38 : x
  2. Step 2: Convert to fraction form
    36,821.33/50,810.32 = 20,687.38/x
  3. Step 3: Cross multiply
    36,821.33x = 50,810.32 × 20,687.38
  4. Step 4: Simplify right side
    36,821.33x = 1,051,132,397.76
  5. Step 5: Solve for x
    x = 1,051,132,397.76/36,821.33
  6. Step 6: Final answer
    x = 28,546.83

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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.