Home / 45,388.37-67,914.61-27,387.04

Finding the Fourth Proportional to 45,388.37, 67,914.61 and 27,387.04

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Solution

The fourth proportional to 45,388.37, 67,914.61 and 27,387.04 is: 40,979.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,388.37 : 67,914.61 = 27,387.04 : x
  2. Step 2: Convert to fraction form
    45,388.37/67,914.61 = 27,387.04/x
  3. Step 3: Cross multiply
    45,388.37x = 67,914.61 × 27,387.04
  4. Step 4: Simplify right side
    45,388.37x = 1,859,979,902.40
  5. Step 5: Solve for x
    x = 1,859,979,902.40/45,388.37
  6. Step 6: Final answer
    x = 40,979.22

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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.