Home / 39,860.38-59,789.94-13,583.44

Finding the Fourth Proportional to 39,860.38, 59,789.94 and 13,583.44

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Solution

The fourth proportional to 39,860.38, 59,789.94 and 13,583.44 is: 20,374.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,860.38 : 59,789.94 = 13,583.44 : x
  2. Step 2: Convert to fraction form
    39,860.38/59,789.94 = 13,583.44/x
  3. Step 3: Cross multiply
    39,860.38x = 59,789.94 × 13,583.44
  4. Step 4: Simplify right side
    39,860.38x = 812,153,062.59
  5. Step 5: Solve for x
    x = 812,153,062.59/39,860.38
  6. Step 6: Final answer
    x = 20,374.95

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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.