Home / 45,930.60-68,936.40-27,187.20

Finding the Fourth Proportional to 45,930.60, 68,936.40 and 27,187.20

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Solution

The fourth proportional to 45,930.60, 68,936.40 and 27,187.20 is: 40,804.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,930.60 : 68,936.40 = 27,187.20 : x
  2. Step 2: Convert to fraction form
    45,930.60/68,936.40 = 27,187.20/x
  3. Step 3: Cross multiply
    45,930.60x = 68,936.40 × 27,187.20
  4. Step 4: Simplify right side
    45,930.60x = 1,874,187,694.08
  5. Step 5: Solve for x
    x = 1,874,187,694.08/45,930.60
  6. Step 6: Final answer
    x = 40,804.77

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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.