Home / 30,860.64-46,283.68-8,676.12

Finding the Fourth Proportional to 30,860.64, 46,283.68 and 8,676.12

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Solution

The fourth proportional to 30,860.64, 46,283.68 and 8,676.12 is: 13,012.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,860.64 : 46,283.68 = 8,676.12 : x
  2. Step 2: Convert to fraction form
    30,860.64/46,283.68 = 8,676.12/x
  3. Step 3: Cross multiply
    30,860.64x = 46,283.68 × 8,676.12
  4. Step 4: Simplify right side
    30,860.64x = 401,562,761.72
  5. Step 5: Solve for x
    x = 401,562,761.72/30,860.64
  6. Step 6: Final answer
    x = 13,012.13

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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.