Home / 31,336.62-47,000.28-9,144.03

Finding the Fourth Proportional to 31,336.62, 47,000.28 and 9,144.03

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Solution

The fourth proportional to 31,336.62, 47,000.28 and 9,144.03 is: 13,714.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,336.62 : 47,000.28 = 9,144.03 : x
  2. Step 2: Convert to fraction form
    31,336.62/47,000.28 = 9,144.03/x
  3. Step 3: Cross multiply
    31,336.62x = 47,000.28 × 9,144.03
  4. Step 4: Simplify right side
    31,336.62x = 429,771,970.33
  5. Step 5: Solve for x
    x = 429,771,970.33/31,336.62
  6. Step 6: Final answer
    x = 13,714.69

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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.