Home / 31,894.18-47,843.70-9,709.45

Finding the Fourth Proportional to 31,894.18, 47,843.70 and 9,709.45

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Solution

The fourth proportional to 31,894.18, 47,843.70 and 9,709.45 is: 14,564.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,894.18 : 47,843.70 = 9,709.45 : x
  2. Step 2: Convert to fraction form
    31,894.18/47,843.70 = 9,709.45/x
  3. Step 3: Cross multiply
    31,894.18x = 47,843.70 × 9,709.45
  4. Step 4: Simplify right side
    31,894.18x = 464,536,012.97
  5. Step 5: Solve for x
    x = 464,536,012.97/31,894.18
  6. Step 6: Final answer
    x = 14,564.91

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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.