Home / 35,992.56-49,669.78-20,078.02

Finding the Fourth Proportional to 35,992.56, 49,669.78 and 20,078.02

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Solution

The fourth proportional to 35,992.56, 49,669.78 and 20,078.02 is: 27,707.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,992.56 : 49,669.78 = 20,078.02 : x
  2. Step 2: Convert to fraction form
    35,992.56/49,669.78 = 20,078.02/x
  3. Step 3: Cross multiply
    35,992.56x = 49,669.78 × 20,078.02
  4. Step 4: Simplify right side
    35,992.56x = 997,270,836.24
  5. Step 5: Solve for x
    x = 997,270,836.24/35,992.56
  6. Step 6: Final answer
    x = 27,707.69

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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.