Home / 39,904.36-55,072.74-23,137.96

Finding the Fourth Proportional to 39,904.36, 55,072.74 and 23,137.96

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Solution

The fourth proportional to 39,904.36, 55,072.74 and 23,137.96 is: 31,933.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,904.36 : 55,072.74 = 23,137.96 : x
  2. Step 2: Convert to fraction form
    39,904.36/55,072.74 = 23,137.96/x
  3. Step 3: Cross multiply
    39,904.36x = 55,072.74 × 23,137.96
  4. Step 4: Simplify right side
    39,904.36x = 1,274,270,855.21
  5. Step 5: Solve for x
    x = 1,274,270,855.21/39,904.36
  6. Step 6: Final answer
    x = 31,933.12

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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.