Home / 38,467.26-57,696.12-10,389.60

Finding the Fourth Proportional to 38,467.26, 57,696.12 and 10,389.60

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Solution

The fourth proportional to 38,467.26, 57,696.12 and 10,389.60 is: 15,583.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,467.26 : 57,696.12 = 10,389.60 : x
  2. Step 2: Convert to fraction form
    38,467.26/57,696.12 = 10,389.60/x
  3. Step 3: Cross multiply
    38,467.26x = 57,696.12 × 10,389.60
  4. Step 4: Simplify right side
    38,467.26x = 599,439,608.35
  5. Step 5: Solve for x
    x = 599,439,608.35/38,467.26
  6. Step 6: Final answer
    x = 15,583.11

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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.