Home / 35,881.56-49,517.64-20,772.83

Finding the Fourth Proportional to 35,881.56, 49,517.64 and 20,772.83

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Solution

The fourth proportional to 35,881.56, 49,517.64 and 20,772.83 is: 28,667.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,881.56 : 49,517.64 = 20,772.83 : x
  2. Step 2: Convert to fraction form
    35,881.56/49,517.64 = 20,772.83/x
  3. Step 3: Cross multiply
    35,881.56x = 49,517.64 × 20,772.83
  4. Step 4: Simplify right side
    35,881.56x = 1,028,621,270.13
  5. Step 5: Solve for x
    x = 1,028,621,270.13/35,881.56
  6. Step 6: Final answer
    x = 28,667.13

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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.