Home / 39,059.72-58,571.90-12,398.02

Finding the Fourth Proportional to 39,059.72, 58,571.90 and 12,398.02

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Solution

The fourth proportional to 39,059.72, 58,571.90 and 12,398.02 is: 18,591.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,059.72 : 58,571.90 = 12,398.02 : x
  2. Step 2: Convert to fraction form
    39,059.72/58,571.90 = 12,398.02/x
  3. Step 3: Cross multiply
    39,059.72x = 58,571.90 × 12,398.02
  4. Step 4: Simplify right side
    39,059.72x = 726,175,587.64
  5. Step 5: Solve for x
    x = 726,175,587.64/39,059.72
  6. Step 6: Final answer
    x = 18,591.42

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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.