Home / 39,996.72-55,202.54-22,999.62

Finding the Fourth Proportional to 39,996.72, 55,202.54 and 22,999.62

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Solution

The fourth proportional to 39,996.72, 55,202.54 and 22,999.62 is: 31,743.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,996.72 : 55,202.54 = 22,999.62 : x
  2. Step 2: Convert to fraction form
    39,996.72/55,202.54 = 22,999.62/x
  3. Step 3: Cross multiply
    39,996.72x = 55,202.54 × 22,999.62
  4. Step 4: Simplify right side
    39,996.72x = 1,269,637,443.03
  5. Step 5: Solve for x
    x = 1,269,637,443.03/39,996.72
  6. Step 6: Final answer
    x = 31,743.54

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1.5x scale

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.