Home / 31,849.90-47,775.93-8,476.36

Finding the Fourth Proportional to 31,849.90, 47,775.93 and 8,476.36

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Solution

The fourth proportional to 31,849.90, 47,775.93 and 8,476.36 is: 12,714.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,849.90 : 47,775.93 = 8,476.36 : x
  2. Step 2: Convert to fraction form
    31,849.90/47,775.93 = 8,476.36/x
  3. Step 3: Cross multiply
    31,849.90x = 47,775.93 × 8,476.36
  4. Step 4: Simplify right side
    31,849.90x = 404,965,982.01
  5. Step 5: Solve for x
    x = 404,965,982.01/31,849.90
  6. Step 6: Final answer
    x = 12,714.83

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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.