Home / 34,119.64-51,168.03-13,054.78

Finding the Fourth Proportional to 34,119.64, 51,168.03 and 13,054.78

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Solution

The fourth proportional to 34,119.64, 51,168.03 and 13,054.78 is: 19,577.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,119.64 : 51,168.03 = 13,054.78 : x
  2. Step 2: Convert to fraction form
    34,119.64/51,168.03 = 13,054.78/x
  3. Step 3: Cross multiply
    34,119.64x = 51,168.03 × 13,054.78
  4. Step 4: Simplify right side
    34,119.64x = 667,987,374.68
  5. Step 5: Solve for x
    x = 667,987,374.68/34,119.64
  6. Step 6: Final answer
    x = 19,577.80

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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.