Home / 36,297.39-50,084.98-20,378.76

Finding the Fourth Proportional to 36,297.39, 50,084.98 and 20,378.76

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Solution

The fourth proportional to 36,297.39, 50,084.98 and 20,378.76 is: 28,119.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,297.39 : 50,084.98 = 20,378.76 : x
  2. Step 2: Convert to fraction form
    36,297.39/50,084.98 = 20,378.76/x
  3. Step 3: Cross multiply
    36,297.39x = 50,084.98 × 20,378.76
  4. Step 4: Simplify right side
    36,297.39x = 1,020,669,736.08
  5. Step 5: Solve for x
    x = 1,020,669,736.08/36,297.39
  6. Step 6: Final answer
    x = 28,119.65

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Half scale
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Double scale
Find fourth proportional to 36,298.39, 50,086.36 and 20,379.76
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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.