Home / 39,884.04-59,823.89-12,179.88

Finding the Fourth Proportional to 39,884.04, 59,823.89 and 12,179.88

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Solution

The fourth proportional to 39,884.04, 59,823.89 and 12,179.88 is: 18,269.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,884.04 : 59,823.89 = 12,179.88 : x
  2. Step 2: Convert to fraction form
    39,884.04/59,823.89 = 12,179.88/x
  3. Step 3: Cross multiply
    39,884.04x = 59,823.89 × 12,179.88
  4. Step 4: Simplify right side
    39,884.04x = 728,647,801.33
  5. Step 5: Solve for x
    x = 728,647,801.33/39,884.04
  6. Step 6: Final answer
    x = 18,269.16

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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.