Home / 40,741.07-61,112.88-12,661.27

Finding the Fourth Proportional to 40,741.07, 61,112.88 and 12,661.27

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Solution

The fourth proportional to 40,741.07, 61,112.88 and 12,661.27 is: 18,992.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,741.07 : 61,112.88 = 12,661.27 : x
  2. Step 2: Convert to fraction form
    40,741.07/61,112.88 = 12,661.27/x
  3. Step 3: Cross multiply
    40,741.07x = 61,112.88 × 12,661.27
  4. Step 4: Simplify right side
    40,741.07x = 773,766,521.38
  5. Step 5: Solve for x
    x = 773,766,521.38/40,741.07
  6. Step 6: Final answer
    x = 18,992.30

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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.