Home / 36,891.52-50,905.16-20,974.21

Finding the Fourth Proportional to 36,891.52, 50,905.16 and 20,974.21

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Solution

The fourth proportional to 36,891.52, 50,905.16 and 20,974.21 is: 28,941.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,891.52 : 50,905.16 = 20,974.21 : x
  2. Step 2: Convert to fraction form
    36,891.52/50,905.16 = 20,974.21/x
  3. Step 3: Cross multiply
    36,891.52x = 50,905.16 × 20,974.21
  4. Step 4: Simplify right side
    36,891.52x = 1,067,695,515.92
  5. Step 5: Solve for x
    x = 1,067,695,515.92/36,891.52
  6. Step 6: Final answer
    x = 28,941.49

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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.