Home / 31,654.62-47,518.59-18,516.42

Finding the Fourth Proportional to 31,654.62, 47,518.59 and 18,516.42

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Solution

The fourth proportional to 31,654.62, 47,518.59 and 18,516.42 is: 27,796.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,654.62 : 47,518.59 = 18,516.42 : x
  2. Step 2: Convert to fraction form
    31,654.62/47,518.59 = 18,516.42/x
  3. Step 3: Cross multiply
    31,654.62x = 47,518.59 × 18,516.42
  4. Step 4: Simplify right side
    31,654.62x = 879,874,170.25
  5. Step 5: Solve for x
    x = 879,874,170.25/31,654.62
  6. Step 6: Final answer
    x = 27,796.07

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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.