Home / 36,218.50-54,335.43-11,257.90

Finding the Fourth Proportional to 36,218.50, 54,335.43 and 11,257.90

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Solution

The fourth proportional to 36,218.50, 54,335.43 and 11,257.90 is: 16,889.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,218.50 : 54,335.43 = 11,257.90 : x
  2. Step 2: Convert to fraction form
    36,218.50/54,335.43 = 11,257.90/x
  3. Step 3: Cross multiply
    36,218.50x = 54,335.43 × 11,257.90
  4. Step 4: Simplify right side
    36,218.50x = 611,702,837.40
  5. Step 5: Solve for x
    x = 611,702,837.40/36,218.50
  6. Step 6: Final answer
    x = 16,889.24

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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.