Home / 38,717.52-58,086.27-12,422.49

Finding the Fourth Proportional to 38,717.52, 58,086.27 and 12,422.49

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Solution

The fourth proportional to 38,717.52, 58,086.27 and 12,422.49 is: 18,636.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,717.52 : 58,086.27 = 12,422.49 : x
  2. Step 2: Convert to fraction form
    38,717.52/58,086.27 = 12,422.49/x
  3. Step 3: Cross multiply
    38,717.52x = 58,086.27 × 12,422.49
  4. Step 4: Simplify right side
    38,717.52x = 721,576,108.21
  5. Step 5: Solve for x
    x = 721,576,108.21/38,717.52
  6. Step 6: Final answer
    x = 18,636.94

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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.