Home / 39,986.44-59,893.39-18,894.64

Finding the Fourth Proportional to 39,986.44, 59,893.39 and 18,894.64

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Solution

The fourth proportional to 39,986.44, 59,893.39 and 18,894.64 is: 28,301.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,986.44 : 59,893.39 = 18,894.64 : x
  2. Step 2: Convert to fraction form
    39,986.44/59,893.39 = 18,894.64/x
  3. Step 3: Cross multiply
    39,986.44x = 59,893.39 × 18,894.64
  4. Step 4: Simplify right side
    39,986.44x = 1,131,664,042.43
  5. Step 5: Solve for x
    x = 1,131,664,042.43/39,986.44
  6. Step 6: Final answer
    x = 28,301.20

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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.