Home / 43,781.49-65,631.09-33,091.50

Finding the Fourth Proportional to 43,781.49, 65,631.09 and 33,091.50

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Solution

The fourth proportional to 43,781.49, 65,631.09 and 33,091.50 is: 49,606.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,781.49 : 65,631.09 = 33,091.50 : x
  2. Step 2: Convert to fraction form
    43,781.49/65,631.09 = 33,091.50/x
  3. Step 3: Cross multiply
    43,781.49x = 65,631.09 × 33,091.50
  4. Step 4: Simplify right side
    43,781.49x = 2,171,831,214.74
  5. Step 5: Solve for x
    x = 2,171,831,214.74/43,781.49
  6. Step 6: Final answer
    x = 49,606.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.