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Finding the Fourth Proportional to 60,679, 91,033.86 and 16,903

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Solution

The fourth proportional to 60,679, 91,033.86 and 16,903 is: 25,358.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,679 : 91,033.86 = 16,903 : x
  2. Step 2: Convert to fraction form
    60,679/91,033.86 = 16,903/x
  3. Step 3: Cross multiply
    60,679x = 91,033.86 × 16,903
  4. Step 4: Simplify right side
    60,679x = 1,538,745,335.58
  5. Step 5: Solve for x
    x = 1,538,745,335.58/60,679
  6. Step 6: Final answer
    x = 25,358.78

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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.