Home / 39,984.58-59,936.73-13,671.33

Finding the Fourth Proportional to 39,984.58, 59,936.73 and 13,671.33

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Solution

The fourth proportional to 39,984.58, 59,936.73 and 13,671.33 is: 20,493.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,984.58 : 59,936.73 = 13,671.33 : x
  2. Step 2: Convert to fraction form
    39,984.58/59,936.73 = 13,671.33/x
  3. Step 3: Cross multiply
    39,984.58x = 59,936.73 × 13,671.33
  4. Step 4: Simplify right side
    39,984.58x = 819,414,814.95
  5. Step 5: Solve for x
    x = 819,414,814.95/39,984.58
  6. Step 6: Final answer
    x = 20,493.27

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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.