Home / 35,769.82-49,356.58-20,660.08

Finding the Fourth Proportional to 35,769.82, 49,356.58 and 20,660.08

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Solution

The fourth proportional to 35,769.82, 49,356.58 and 20,660.08 is: 28,507.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,769.82 : 49,356.58 = 20,660.08 : x
  2. Step 2: Convert to fraction form
    35,769.82/49,356.58 = 20,660.08/x
  3. Step 3: Cross multiply
    35,769.82x = 49,356.58 × 20,660.08
  4. Step 4: Simplify right side
    35,769.82x = 1,019,710,891.33
  5. Step 5: Solve for x
    x = 1,019,710,891.33/35,769.82
  6. Step 6: Final answer
    x = 28,507.58

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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.