Home / 45,182.82-67,768.44-11,905.45

Finding the Fourth Proportional to 45,182.82, 67,768.44 and 11,905.45

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Solution

The fourth proportional to 45,182.82, 67,768.44 and 11,905.45 is: 17,856.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,182.82 : 67,768.44 = 11,905.45 : x
  2. Step 2: Convert to fraction form
    45,182.82/67,768.44 = 11,905.45/x
  3. Step 3: Cross multiply
    45,182.82x = 67,768.44 × 11,905.45
  4. Step 4: Simplify right side
    45,182.82x = 806,813,774.00
  5. Step 5: Solve for x
    x = 806,813,774.00/45,182.82
  6. Step 6: Final answer
    x = 17,856.65

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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.