Home / 39,273.66-58,919.61-12,976.81

Finding the Fourth Proportional to 39,273.66, 58,919.61 and 12,976.81

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Solution

The fourth proportional to 39,273.66, 58,919.61 and 12,976.81 is: 19,468.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,273.66 : 58,919.61 = 12,976.81 : x
  2. Step 2: Convert to fraction form
    39,273.66/58,919.61 = 12,976.81/x
  3. Step 3: Cross multiply
    39,273.66x = 58,919.61 × 12,976.81
  4. Step 4: Simplify right side
    39,273.66x = 764,588,551.80
  5. Step 5: Solve for x
    x = 764,588,551.80/39,273.66
  6. Step 6: Final answer
    x = 19,468.23

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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.