Home / 34,109.42-51,164.05-13,051.54

Finding the Fourth Proportional to 34,109.42, 51,164.05 and 13,051.54

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Solution

The fourth proportional to 34,109.42, 51,164.05 and 13,051.54 is: 19,577.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,109.42 : 51,164.05 = 13,051.54 : x
  2. Step 2: Convert to fraction form
    34,109.42/51,164.05 = 13,051.54/x
  3. Step 3: Cross multiply
    34,109.42x = 51,164.05 × 13,051.54
  4. Step 4: Simplify right side
    34,109.42x = 667,769,645.14
  5. Step 5: Solve for x
    x = 667,769,645.14/34,109.42
  6. Step 6: Final answer
    x = 19,577.28

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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.