Home / 39,175.82-58,751.26-12,874.50

Finding the Fourth Proportional to 39,175.82, 58,751.26 and 12,874.50

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Solution

The fourth proportional to 39,175.82, 58,751.26 and 12,874.50 is: 19,307.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,175.82 : 58,751.26 = 12,874.50 : x
  2. Step 2: Convert to fraction form
    39,175.82/58,751.26 = 12,874.50/x
  3. Step 3: Cross multiply
    39,175.82x = 58,751.26 × 12,874.50
  4. Step 4: Simplify right side
    39,175.82x = 756,393,096.87
  5. Step 5: Solve for x
    x = 756,393,096.87/39,175.82
  6. Step 6: Final answer
    x = 19,307.65

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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.