Home / 38,183.22-52,692.21-21,415.86

Finding the Fourth Proportional to 38,183.22, 52,692.21 and 21,415.86

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Solution

The fourth proportional to 38,183.22, 52,692.21 and 21,415.86 is: 29,553.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,183.22 : 52,692.21 = 21,415.86 : x
  2. Step 2: Convert to fraction form
    38,183.22/52,692.21 = 21,415.86/x
  3. Step 3: Cross multiply
    38,183.22x = 52,692.21 × 21,415.86
  4. Step 4: Simplify right side
    38,183.22x = 1,128,448,992.45
  5. Step 5: Solve for x
    x = 1,128,448,992.45/38,183.22
  6. Step 6: Final answer
    x = 29,553.53

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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.