Home / 39,273.84-58,914.85-12,613.09

Finding the Fourth Proportional to 39,273.84, 58,914.85 and 12,613.09

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Solution

The fourth proportional to 39,273.84, 58,914.85 and 12,613.09 is: 18,920.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,273.84 : 58,914.85 = 12,613.09 : x
  2. Step 2: Convert to fraction form
    39,273.84/58,914.85 = 12,613.09/x
  3. Step 3: Cross multiply
    39,273.84x = 58,914.85 × 12,613.09
  4. Step 4: Simplify right side
    39,273.84x = 743,098,305.39
  5. Step 5: Solve for x
    x = 743,098,305.39/39,273.84
  6. Step 6: Final answer
    x = 18,920.95

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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.