Home / 29,316.25-43,974.38-12,900.25

Finding the Fourth Proportional to 29,316.25, 43,974.38 and 12,900.25

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Solution

The fourth proportional to 29,316.25, 43,974.38 and 12,900.25 is: 19,350.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,316.25 : 43,974.38 = 12,900.25 : x
  2. Step 2: Convert to fraction form
    29,316.25/43,974.38 = 12,900.25/x
  3. Step 3: Cross multiply
    29,316.25x = 43,974.38 × 12,900.25
  4. Step 4: Simplify right side
    29,316.25x = 567,280,431.09
  5. Step 5: Solve for x
    x = 567,280,431.09/29,316.25
  6. Step 6: Final answer
    x = 19,350.38

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Similar ratio
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1.5x scale

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.