Home / 36,385.13-50,215.44-21,282.89

Finding the Fourth Proportional to 36,385.13, 50,215.44 and 21,282.89

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Solution

The fourth proportional to 36,385.13, 50,215.44 and 21,282.89 is: 29,372.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,385.13 : 50,215.44 = 21,282.89 : x
  2. Step 2: Convert to fraction form
    36,385.13/50,215.44 = 21,282.89/x
  3. Step 3: Cross multiply
    36,385.13x = 50,215.44 × 21,282.89
  4. Step 4: Simplify right side
    36,385.13x = 1,068,729,514.56
  5. Step 5: Solve for x
    x = 1,068,729,514.56/36,385.13
  6. Step 6: Final answer
    x = 29,372.70

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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.