Home / 36,221.65-54,321.23-17,490.04

Finding the Fourth Proportional to 36,221.65, 54,321.23 and 17,490.04

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Solution

The fourth proportional to 36,221.65, 54,321.23 and 17,490.04 is: 26,229.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,221.65 : 54,321.23 = 17,490.04 : x
  2. Step 2: Convert to fraction form
    36,221.65/54,321.23 = 17,490.04/x
  3. Step 3: Cross multiply
    36,221.65x = 54,321.23 × 17,490.04
  4. Step 4: Simplify right side
    36,221.65x = 950,080,466.00
  5. Step 5: Solve for x
    x = 950,080,466.00/36,221.65
  6. Step 6: Final answer
    x = 26,229.63

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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.