Home / 36,521.12-50,383.14-21,406.12

Finding the Fourth Proportional to 36,521.12, 50,383.14 and 21,406.12

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Solution

The fourth proportional to 36,521.12, 50,383.14 and 21,406.12 is: 29,531.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,521.12 : 50,383.14 = 21,406.12 : x
  2. Step 2: Convert to fraction form
    36,521.12/50,383.14 = 21,406.12/x
  3. Step 3: Cross multiply
    36,521.12x = 50,383.14 × 21,406.12
  4. Step 4: Simplify right side
    36,521.12x = 1,078,507,540.82
  5. Step 5: Solve for x
    x = 1,078,507,540.82/36,521.12
  6. Step 6: Final answer
    x = 29,531.06

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Half scale
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Double scale
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Similar ratio
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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.