Home / 35,104.88-52,664.38-12,918.38

Finding the Fourth Proportional to 35,104.88, 52,664.38 and 12,918.38

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Solution

The fourth proportional to 35,104.88, 52,664.38 and 12,918.38 is: 19,380.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,104.88 : 52,664.38 = 12,918.38 : x
  2. Step 2: Convert to fraction form
    35,104.88/52,664.38 = 12,918.38/x
  3. Step 3: Cross multiply
    35,104.88x = 52,664.38 × 12,918.38
  4. Step 4: Simplify right side
    35,104.88x = 680,338,209.98
  5. Step 5: Solve for x
    x = 680,338,209.98/35,104.88
  6. Step 6: Final answer
    x = 19,380.16

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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.