Home / 30,696.06-46,046.70-8,509.44

Finding the Fourth Proportional to 30,696.06, 46,046.70 and 8,509.44

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Solution

The fourth proportional to 30,696.06, 46,046.70 and 8,509.44 is: 12,764.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,696.06 : 46,046.70 = 8,509.44 : x
  2. Step 2: Convert to fraction form
    30,696.06/46,046.70 = 8,509.44/x
  3. Step 3: Cross multiply
    30,696.06x = 46,046.70 × 8,509.44
  4. Step 4: Simplify right side
    30,696.06x = 391,831,630.85
  5. Step 5: Solve for x
    x = 391,831,630.85/30,696.06
  6. Step 6: Final answer
    x = 12,764.88

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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.