Home / 36,728.12-55,018.26-16,979.48

Finding the Fourth Proportional to 36,728.12, 55,018.26 and 16,979.48

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Solution

The fourth proportional to 36,728.12, 55,018.26 and 16,979.48 is: 25,435.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,728.12 : 55,018.26 = 16,979.48 : x
  2. Step 2: Convert to fraction form
    36,728.12/55,018.26 = 16,979.48/x
  3. Step 3: Cross multiply
    36,728.12x = 55,018.26 × 16,979.48
  4. Step 4: Simplify right side
    36,728.12x = 934,181,445.30
  5. Step 5: Solve for x
    x = 934,181,445.30/36,728.12
  6. Step 6: Final answer
    x = 25,435.05

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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.