Home / 34,431.16-51,685.62-13,669.24

Finding the Fourth Proportional to 34,431.16, 51,685.62 and 13,669.24

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Solution

The fourth proportional to 34,431.16, 51,685.62 and 13,669.24 is: 20,519.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,431.16 : 51,685.62 = 13,669.24 : x
  2. Step 2: Convert to fraction form
    34,431.16/51,685.62 = 13,669.24/x
  3. Step 3: Cross multiply
    34,431.16x = 51,685.62 × 13,669.24
  4. Step 4: Simplify right side
    34,431.16x = 706,503,144.33
  5. Step 5: Solve for x
    x = 706,503,144.33/34,431.16
  6. Step 6: Final answer
    x = 20,519.30

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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.