Home / 39,072.96-53,917.44-22,078.68

Finding the Fourth Proportional to 39,072.96, 53,917.44 and 22,078.68

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Solution

The fourth proportional to 39,072.96, 53,917.44 and 22,078.68 is: 30,466.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,072.96 : 53,917.44 = 22,078.68 : x
  2. Step 2: Convert to fraction form
    39,072.96/53,917.44 = 22,078.68/x
  3. Step 3: Cross multiply
    39,072.96x = 53,917.44 × 22,078.68
  4. Step 4: Simplify right side
    39,072.96x = 1,190,425,904.18
  5. Step 5: Solve for x
    x = 1,190,425,904.18/39,072.96
  6. Step 6: Final answer
    x = 30,466.74

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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.