Home / 31,833.43-47,684.53-18,645.82

Finding the Fourth Proportional to 31,833.43, 47,684.53 and 18,645.82

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Solution

The fourth proportional to 31,833.43, 47,684.53 and 18,645.82 is: 27,930.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,833.43 : 47,684.53 = 18,645.82 : x
  2. Step 2: Convert to fraction form
    31,833.43/47,684.53 = 18,645.82/x
  3. Step 3: Cross multiply
    31,833.43x = 47,684.53 × 18,645.82
  4. Step 4: Simplify right side
    31,833.43x = 889,117,163.16
  5. Step 5: Solve for x
    x = 889,117,163.16/31,833.43
  6. Step 6: Final answer
    x = 27,930.30

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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.