Home / 30,858.11-46,279.94-8,673.60

Finding the Fourth Proportional to 30,858.11, 46,279.94 and 8,673.60

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Solution

The fourth proportional to 30,858.11, 46,279.94 and 8,673.60 is: 13,008.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,858.11 : 46,279.94 = 8,673.60 : x
  2. Step 2: Convert to fraction form
    30,858.11/46,279.94 = 8,673.60/x
  3. Step 3: Cross multiply
    30,858.11x = 46,279.94 × 8,673.60
  4. Step 4: Simplify right side
    30,858.11x = 401,413,644.22
  5. Step 5: Solve for x
    x = 401,413,644.22/30,858.11
  6. Step 6: Final answer
    x = 13,008.37

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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.