Home / 31,906.72-47,865.26-10,848.64

Finding the Fourth Proportional to 31,906.72, 47,865.26 and 10,848.64

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Solution

The fourth proportional to 31,906.72, 47,865.26 and 10,848.64 is: 16,274.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,906.72 : 47,865.26 = 10,848.64 : x
  2. Step 2: Convert to fraction form
    31,906.72/47,865.26 = 10,848.64/x
  3. Step 3: Cross multiply
    31,906.72x = 47,865.26 × 10,848.64
  4. Step 4: Simplify right side
    31,906.72x = 519,272,974.25
  5. Step 5: Solve for x
    x = 519,272,974.25/31,906.72
  6. Step 6: Final answer
    x = 16,274.72

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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.