Home / 31,917.34-47,882.90-9,730.12

Finding the Fourth Proportional to 31,917.34, 47,882.90 and 9,730.12

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Solution

The fourth proportional to 31,917.34, 47,882.90 and 9,730.12 is: 14,597.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,917.34 : 47,882.90 = 9,730.12 : x
  2. Step 2: Convert to fraction form
    31,917.34/47,882.90 = 9,730.12/x
  3. Step 3: Cross multiply
    31,917.34x = 47,882.90 × 9,730.12
  4. Step 4: Simplify right side
    31,917.34x = 465,906,362.95
  5. Step 5: Solve for x
    x = 465,906,362.95/31,917.34
  6. Step 6: Final answer
    x = 14,597.28

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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.