Home / 39,787.12-59,696.48-16,408.09

Finding the Fourth Proportional to 39,787.12, 59,696.48 and 16,408.09

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Solution

The fourth proportional to 39,787.12, 59,696.48 and 16,408.09 is: 24,618.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,787.12 : 59,696.48 = 16,408.09 : x
  2. Step 2: Convert to fraction form
    39,787.12/59,696.48 = 16,408.09/x
  3. Step 3: Cross multiply
    39,787.12x = 59,696.48 × 16,408.09
  4. Step 4: Simplify right side
    39,787.12x = 979,505,216.52
  5. Step 5: Solve for x
    x = 979,505,216.52/39,787.12
  6. Step 6: Final answer
    x = 24,618.65

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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.