Home / 39,057.71-58,568.91-12,396.02

Finding the Fourth Proportional to 39,057.71, 58,568.91 and 12,396.02

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Solution

The fourth proportional to 39,057.71, 58,568.91 and 12,396.02 is: 18,588.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,057.71 : 58,568.91 = 12,396.02 : x
  2. Step 2: Convert to fraction form
    39,057.71/58,568.91 = 12,396.02/x
  3. Step 3: Cross multiply
    39,057.71x = 58,568.91 × 12,396.02
  4. Step 4: Simplify right side
    39,057.71x = 726,021,379.74
  5. Step 5: Solve for x
    x = 726,021,379.74/39,057.71
  6. Step 6: Final answer
    x = 18,588.43

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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.