Home / 40,896.36-61,345.76-11,316.38

Finding the Fourth Proportional to 40,896.36, 61,345.76 and 11,316.38

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Solution

The fourth proportional to 40,896.36, 61,345.76 and 11,316.38 is: 16,974.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,896.36 : 61,345.76 = 11,316.38 : x
  2. Step 2: Convert to fraction form
    40,896.36/61,345.76 = 11,316.38/x
  3. Step 3: Cross multiply
    40,896.36x = 61,345.76 × 11,316.38
  4. Step 4: Simplify right side
    40,896.36x = 694,211,568.24
  5. Step 5: Solve for x
    x = 694,211,568.24/40,896.36
  6. Step 6: Final answer
    x = 16,974.90

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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.