Home / 36,979.91-51,025.19-21,064.02

Finding the Fourth Proportional to 36,979.91, 51,025.19 and 21,064.02

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Solution

The fourth proportional to 36,979.91, 51,025.19 and 21,064.02 is: 29,064.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,979.91 : 51,025.19 = 21,064.02 : x
  2. Step 2: Convert to fraction form
    36,979.91/51,025.19 = 21,064.02/x
  3. Step 3: Cross multiply
    36,979.91x = 51,025.19 × 21,064.02
  4. Step 4: Simplify right side
    36,979.91x = 1,074,795,622.66
  5. Step 5: Solve for x
    x = 1,074,795,622.66/36,979.91
  6. Step 6: Final answer
    x = 29,064.31

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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.