Home / 36,351.72-54,557.28-18,826.56

Finding the Fourth Proportional to 36,351.72, 54,557.28 and 18,826.56

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Solution

The fourth proportional to 36,351.72, 54,557.28 and 18,826.56 is: 28,255.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,351.72 : 54,557.28 = 18,826.56 : x
  2. Step 2: Convert to fraction form
    36,351.72/54,557.28 = 18,826.56/x
  3. Step 3: Cross multiply
    36,351.72x = 54,557.28 × 18,826.56
  4. Step 4: Simplify right side
    36,351.72x = 1,027,125,905.36
  5. Step 5: Solve for x
    x = 1,027,125,905.36/36,351.72
  6. Step 6: Final answer
    x = 28,255.22

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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.