Home / 31,948.97-47,930.49-9,764.08

Finding the Fourth Proportional to 31,948.97, 47,930.49 and 9,764.08

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Solution

The fourth proportional to 31,948.97, 47,930.49 and 9,764.08 is: 14,648.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,948.97 : 47,930.49 = 9,764.08 : x
  2. Step 2: Convert to fraction form
    31,948.97/47,930.49 = 9,764.08/x
  3. Step 3: Cross multiply
    31,948.97x = 47,930.49 × 9,764.08
  4. Step 4: Simplify right side
    31,948.97x = 467,997,018.97
  5. Step 5: Solve for x
    x = 467,997,018.97/31,948.97
  6. Step 6: Final answer
    x = 14,648.27

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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.