Home / 36,450.14-50,308.70-21,350.72

Finding the Fourth Proportional to 36,450.14, 50,308.70 and 21,350.72

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Solution

The fourth proportional to 36,450.14, 50,308.70 and 21,350.72 is: 29,468.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,450.14 : 50,308.70 = 21,350.72 : x
  2. Step 2: Convert to fraction form
    36,450.14/50,308.70 = 21,350.72/x
  3. Step 3: Cross multiply
    36,450.14x = 50,308.70 × 21,350.72
  4. Step 4: Simplify right side
    36,450.14x = 1,074,126,986.28
  5. Step 5: Solve for x
    x = 1,074,126,986.28/36,450.14
  6. Step 6: Final answer
    x = 29,468.40

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Half scale
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Double scale
Find fourth proportional to 36,451.14, 50,310.08 and 21,351.72
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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.