Home / 29,540.78-40,766.60-16,111.93

Finding the Fourth Proportional to 29,540.78, 40,766.60 and 16,111.93

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Solution

The fourth proportional to 29,540.78, 40,766.60 and 16,111.93 is: 22,234.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,540.78 : 40,766.60 = 16,111.93 : x
  2. Step 2: Convert to fraction form
    29,540.78/40,766.60 = 16,111.93/x
  3. Step 3: Cross multiply
    29,540.78x = 40,766.60 × 16,111.93
  4. Step 4: Simplify right side
    29,540.78x = 656,828,605.54
  5. Step 5: Solve for x
    x = 656,828,605.54/29,540.78
  6. Step 6: Final answer
    x = 22,234.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.