Home / 31,902.21-47,857.70-10,836.60

Finding the Fourth Proportional to 31,902.21, 47,857.70 and 10,836.60

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Solution

The fourth proportional to 31,902.21, 47,857.70 and 10,836.60 is: 16,256.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,902.21 : 47,857.70 = 10,836.60 : x
  2. Step 2: Convert to fraction form
    31,902.21/47,857.70 = 10,836.60/x
  3. Step 3: Cross multiply
    31,902.21x = 47,857.70 × 10,836.60
  4. Step 4: Simplify right side
    31,902.21x = 518,614,721.98
  5. Step 5: Solve for x
    x = 518,614,721.98/31,902.21
  6. Step 6: Final answer
    x = 16,256.39

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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.