Home / 34,107.72-51,138.40-11,908.96

Finding the Fourth Proportional to 34,107.72, 51,138.40 and 11,908.96

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Solution

The fourth proportional to 34,107.72, 51,138.40 and 11,908.96 is: 17,855.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,107.72 : 51,138.40 = 11,908.96 : x
  2. Step 2: Convert to fraction form
    34,107.72/51,138.40 = 11,908.96/x
  3. Step 3: Cross multiply
    34,107.72x = 51,138.40 × 11,908.96
  4. Step 4: Simplify right side
    34,107.72x = 609,005,160.06
  5. Step 5: Solve for x
    x = 609,005,160.06/34,107.72
  6. Step 6: Final answer
    x = 17,855.35

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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.