Home / 31,863.58-47,795.64-11,072.50

Finding the Fourth Proportional to 31,863.58, 47,795.64 and 11,072.50

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Solution

The fourth proportional to 31,863.58, 47,795.64 and 11,072.50 is: 16,608.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,863.58 : 47,795.64 = 11,072.50 : x
  2. Step 2: Convert to fraction form
    31,863.58/47,795.64 = 11,072.50/x
  3. Step 3: Cross multiply
    31,863.58x = 47,795.64 × 11,072.50
  4. Step 4: Simplify right side
    31,863.58x = 529,217,223.90
  5. Step 5: Solve for x
    x = 529,217,223.90/31,863.58
  6. Step 6: Final answer
    x = 16,608.84

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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.