Home / 36,781.32-50,768.64-21,682.76

Finding the Fourth Proportional to 36,781.32, 50,768.64 and 21,682.76

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Solution

The fourth proportional to 36,781.32, 50,768.64 and 21,682.76 is: 29,928.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,781.32 : 50,768.64 = 21,682.76 : x
  2. Step 2: Convert to fraction form
    36,781.32/50,768.64 = 21,682.76/x
  3. Step 3: Cross multiply
    36,781.32x = 50,768.64 × 21,682.76
  4. Step 4: Simplify right side
    36,781.32x = 1,100,804,236.65
  5. Step 5: Solve for x
    x = 1,100,804,236.65/36,781.32
  6. Step 6: Final answer
    x = 29,928.35

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Double scale
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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.