Home / 34,099.20-51,148.08-13,322.64

Finding the Fourth Proportional to 34,099.20, 51,148.08 and 13,322.64

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Solution

The fourth proportional to 34,099.20, 51,148.08 and 13,322.64 is: 19,983.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,099.20 : 51,148.08 = 13,322.64 : x
  2. Step 2: Convert to fraction form
    34,099.20/51,148.08 = 13,322.64/x
  3. Step 3: Cross multiply
    34,099.20x = 51,148.08 × 13,322.64
  4. Step 4: Simplify right side
    34,099.20x = 681,427,456.53
  5. Step 5: Solve for x
    x = 681,427,456.53/34,099.20
  6. Step 6: Final answer
    x = 19,983.68

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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.