Home / 39,841.61-59,755.59-13,179.38

Finding the Fourth Proportional to 39,841.61, 59,755.59 and 13,179.38

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Solution

The fourth proportional to 39,841.61, 59,755.59 and 13,179.38 is: 19,766.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,841.61 : 59,755.59 = 13,179.38 : x
  2. Step 2: Convert to fraction form
    39,841.61/59,755.59 = 13,179.38/x
  3. Step 3: Cross multiply
    39,841.61x = 59,755.59 × 13,179.38
  4. Step 4: Simplify right side
    39,841.61x = 787,541,328.96
  5. Step 5: Solve for x
    x = 787,541,328.96/39,841.61
  6. Step 6: Final answer
    x = 19,766.81

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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.