Home / 36,809.12-50,791.14-20,890.52

Finding the Fourth Proportional to 36,809.12, 50,791.14 and 20,890.52

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Solution

The fourth proportional to 36,809.12, 50,791.14 and 20,890.52 is: 28,825.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,809.12 : 50,791.14 = 20,890.52 : x
  2. Step 2: Convert to fraction form
    36,809.12/50,791.14 = 20,890.52/x
  3. Step 3: Cross multiply
    36,809.12x = 50,791.14 × 20,890.52
  4. Step 4: Simplify right side
    36,809.12x = 1,061,053,325.99
  5. Step 5: Solve for x
    x = 1,061,053,325.99/36,809.12
  6. Step 6: Final answer
    x = 28,825.83

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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.