Home / 38,497.09-57,747.70-12,203.88

Finding the Fourth Proportional to 38,497.09, 57,747.70 and 12,203.88

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Solution

The fourth proportional to 38,497.09, 57,747.70 and 12,203.88 is: 18,306.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,497.09 : 57,747.70 = 12,203.88 : x
  2. Step 2: Convert to fraction form
    38,497.09/57,747.70 = 12,203.88/x
  3. Step 3: Cross multiply
    38,497.09x = 57,747.70 × 12,203.88
  4. Step 4: Simplify right side
    38,497.09x = 704,746,001.08
  5. Step 5: Solve for x
    x = 704,746,001.08/38,497.09
  6. Step 6: Final answer
    x = 18,306.48

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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.