Home / 34,122.21-51,187.64-13,343.01

Finding the Fourth Proportional to 34,122.21, 51,187.64 and 13,343.01

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Solution

The fourth proportional to 34,122.21, 51,187.64 and 13,343.01 is: 20,016.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,122.21 : 51,187.64 = 13,343.01 : x
  2. Step 2: Convert to fraction form
    34,122.21/51,187.64 = 13,343.01/x
  3. Step 3: Cross multiply
    34,122.21x = 51,187.64 × 13,343.01
  4. Step 4: Simplify right side
    34,122.21x = 682,997,125.68
  5. Step 5: Solve for x
    x = 682,997,125.68/34,122.21
  6. Step 6: Final answer
    x = 20,016.20

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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.