Home / 36,621.76-54,887.64-16,872.88

Finding the Fourth Proportional to 36,621.76, 54,887.64 and 16,872.88

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Solution

The fourth proportional to 36,621.76, 54,887.64 and 16,872.88 is: 25,288.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,621.76 : 54,887.64 = 16,872.88 : x
  2. Step 2: Convert to fraction form
    36,621.76/54,887.64 = 16,872.88/x
  3. Step 3: Cross multiply
    36,621.76x = 54,887.64 × 16,872.88
  4. Step 4: Simplify right side
    36,621.76x = 926,112,563.20
  5. Step 5: Solve for x
    x = 926,112,563.20/36,621.76
  6. Step 6: Final answer
    x = 25,288.59

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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.