Home / 39,176.26-58,771.69-12,899.45

Finding the Fourth Proportional to 39,176.26, 58,771.69 and 12,899.45

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Solution

The fourth proportional to 39,176.26, 58,771.69 and 12,899.45 is: 19,351.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,176.26 : 58,771.69 = 12,899.45 : x
  2. Step 2: Convert to fraction form
    39,176.26/58,771.69 = 12,899.45/x
  3. Step 3: Cross multiply
    39,176.26x = 58,771.69 × 12,899.45
  4. Step 4: Simplify right side
    39,176.26x = 758,122,591.25
  5. Step 5: Solve for x
    x = 758,122,591.25/39,176.26
  6. Step 6: Final answer
    x = 19,351.58

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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.