Home / 39,861.52-55,027.56-23,091.28

Finding the Fourth Proportional to 39,861.52, 55,027.56 and 23,091.28

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Solution

The fourth proportional to 39,861.52, 55,027.56 and 23,091.28 is: 31,876.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,861.52 : 55,027.56 = 23,091.28 : x
  2. Step 2: Convert to fraction form
    39,861.52/55,027.56 = 23,091.28/x
  3. Step 3: Cross multiply
    39,861.52x = 55,027.56 × 23,091.28
  4. Step 4: Simplify right side
    39,861.52x = 1,270,656,795.68
  5. Step 5: Solve for x
    x = 1,270,656,795.68/39,861.52
  6. Step 6: Final answer
    x = 31,876.78

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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.