Home / 49,429.44-74,173.28-18,286.40

Finding the Fourth Proportional to 49,429.44, 74,173.28 and 18,286.40

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Solution

The fourth proportional to 49,429.44, 74,173.28 and 18,286.40 is: 27,440.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,429.44 : 74,173.28 = 18,286.40 : x
  2. Step 2: Convert to fraction form
    49,429.44/74,173.28 = 18,286.40/x
  3. Step 3: Cross multiply
    49,429.44x = 74,173.28 × 18,286.40
  4. Step 4: Simplify right side
    49,429.44x = 1,356,362,267.39
  5. Step 5: Solve for x
    x = 1,356,362,267.39/49,429.44
  6. Step 6: Final answer
    x = 27,440.37

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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.