Home / 31,889.43-47,836.58-9,704.70

Finding the Fourth Proportional to 31,889.43, 47,836.58 and 9,704.70

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Solution

The fourth proportional to 31,889.43, 47,836.58 and 9,704.70 is: 14,557.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,889.43 : 47,836.58 = 9,704.70 : x
  2. Step 2: Convert to fraction form
    31,889.43/47,836.58 = 9,704.70/x
  3. Step 3: Cross multiply
    31,889.43x = 47,836.58 × 9,704.70
  4. Step 4: Simplify right side
    31,889.43x = 464,239,609.40
  5. Step 5: Solve for x
    x = 464,239,609.40/31,889.43
  6. Step 6: Final answer
    x = 14,557.79

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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.