Home / 35,968.81-49,637.41-20,862.11

Finding the Fourth Proportional to 35,968.81, 49,637.41 and 20,862.11

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Solution

The fourth proportional to 35,968.81, 49,637.41 and 20,862.11 is: 28,789.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,968.81 : 49,637.41 = 20,862.11 : x
  2. Step 2: Convert to fraction form
    35,968.81/49,637.41 = 20,862.11/x
  3. Step 3: Cross multiply
    35,968.81x = 49,637.41 × 20,862.11
  4. Step 4: Simplify right side
    35,968.81x = 1,035,541,107.54
  5. Step 5: Solve for x
    x = 1,035,541,107.54/35,968.81
  6. Step 6: Final answer
    x = 28,789.97

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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.