Home / 38,769.76-53,504-22,004.32

Finding the Fourth Proportional to 38,769.76, 53,504 and 22,004.32

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Solution

The fourth proportional to 38,769.76, 53,504 and 22,004.32 is: 30,366.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,769.76 : 53,504 = 22,004.32 : x
  2. Step 2: Convert to fraction form
    38,769.76/53,504 = 22,004.32/x
  3. Step 3: Cross multiply
    38,769.76x = 53,504 × 22,004.32
  4. Step 4: Simplify right side
    38,769.76x = 1,177,319,137.28
  5. Step 5: Solve for x
    x = 1,177,319,137.28/38,769.76
  6. Step 6: Final answer
    x = 30,366.94

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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.