Home / 31,902.38-47,857.47-10,845.89

Finding the Fourth Proportional to 31,902.38, 47,857.47 and 10,845.89

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Solution

The fourth proportional to 31,902.38, 47,857.47 and 10,845.89 is: 16,270.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,902.38 : 47,857.47 = 10,845.89 : x
  2. Step 2: Convert to fraction form
    31,902.38/47,857.47 = 10,845.89/x
  3. Step 3: Cross multiply
    31,902.38x = 47,857.47 × 10,845.89
  4. Step 4: Simplify right side
    31,902.38x = 519,056,855.30
  5. Step 5: Solve for x
    x = 519,056,855.30/31,902.38
  6. Step 6: Final answer
    x = 16,270.16

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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.