Home / 31,921.74-47,893.37-14,149.98

Finding the Fourth Proportional to 31,921.74, 47,893.37 and 14,149.98

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Solution

The fourth proportional to 31,921.74, 47,893.37 and 14,149.98 is: 21,229.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,921.74 : 47,893.37 = 14,149.98 : x
  2. Step 2: Convert to fraction form
    31,921.74/47,893.37 = 14,149.98/x
  3. Step 3: Cross multiply
    31,921.74x = 47,893.37 × 14,149.98
  4. Step 4: Simplify right side
    31,921.74x = 677,690,156.88
  5. Step 5: Solve for x
    x = 677,690,156.88/31,921.74
  6. Step 6: Final answer
    x = 21,229.74

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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.