Home / 36,372.64-54,541.68-11,742.88

Finding the Fourth Proportional to 36,372.64, 54,541.68 and 11,742.88

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Solution

The fourth proportional to 36,372.64, 54,541.68 and 11,742.88 is: 17,608.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,372.64 : 54,541.68 = 11,742.88 : x
  2. Step 2: Convert to fraction form
    36,372.64/54,541.68 = 11,742.88/x
  3. Step 3: Cross multiply
    36,372.64x = 54,541.68 × 11,742.88
  4. Step 4: Simplify right side
    36,372.64x = 640,476,403.24
  5. Step 5: Solve for x
    x = 640,476,403.24/36,372.64
  6. Step 6: Final answer
    x = 17,608.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.