Home / 40,712.97-61,078.23-12,632.43

Finding the Fourth Proportional to 40,712.97, 61,078.23 and 12,632.43

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Solution

The fourth proportional to 40,712.97, 61,078.23 and 12,632.43 is: 18,951.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,712.97 : 61,078.23 = 12,632.43 : x
  2. Step 2: Convert to fraction form
    40,712.97/61,078.23 = 12,632.43/x
  3. Step 3: Cross multiply
    40,712.97x = 61,078.23 × 12,632.43
  4. Step 4: Simplify right side
    40,712.97x = 771,566,465.00
  5. Step 5: Solve for x
    x = 771,566,465.00/40,712.97
  6. Step 6: Final answer
    x = 18,951.37

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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.