Home / 31,837.24-47,753.43-13,112.47

Finding the Fourth Proportional to 31,837.24, 47,753.43 and 13,112.47

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Solution

The fourth proportional to 31,837.24, 47,753.43 and 13,112.47 is: 19,667.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,837.24 : 47,753.43 = 13,112.47 : x
  2. Step 2: Convert to fraction form
    31,837.24/47,753.43 = 13,112.47/x
  3. Step 3: Cross multiply
    31,837.24x = 47,753.43 × 13,112.47
  4. Step 4: Simplify right side
    31,837.24x = 626,165,418.27
  5. Step 5: Solve for x
    x = 626,165,418.27/31,837.24
  6. Step 6: Final answer
    x = 19,667.70

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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.