Home / 36,920.99-50,949.19-21,003.95

Finding the Fourth Proportional to 36,920.99, 50,949.19 and 21,003.95

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Solution

The fourth proportional to 36,920.99, 50,949.19 and 21,003.95 is: 28,984.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,920.99 : 50,949.19 = 21,003.95 : x
  2. Step 2: Convert to fraction form
    36,920.99/50,949.19 = 21,003.95/x
  3. Step 3: Cross multiply
    36,920.99x = 50,949.19 × 21,003.95
  4. Step 4: Simplify right side
    36,920.99x = 1,070,134,239.30
  5. Step 5: Solve for x
    x = 1,070,134,239.30/36,920.99
  6. Step 6: Final answer
    x = 28,984.44

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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.