Home / 34,118.64-51,166.53-13,053.78

Finding the Fourth Proportional to 34,118.64, 51,166.53 and 13,053.78

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Solution

The fourth proportional to 34,118.64, 51,166.53 and 13,053.78 is: 19,576.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,118.64 : 51,166.53 = 13,053.78 : x
  2. Step 2: Convert to fraction form
    34,118.64/51,166.53 = 13,053.78/x
  3. Step 3: Cross multiply
    34,118.64x = 51,166.53 × 13,053.78
  4. Step 4: Simplify right side
    34,118.64x = 667,916,625.98
  5. Step 5: Solve for x
    x = 667,916,625.98/34,118.64
  6. Step 6: Final answer
    x = 19,576.30

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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.