Home / 36,905.54-55,260.03-19,338.62

Finding the Fourth Proportional to 36,905.54, 55,260.03 and 19,338.62

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Solution

The fourth proportional to 36,905.54, 55,260.03 and 19,338.62 is: 28,956.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,905.54 : 55,260.03 = 19,338.62 : x
  2. Step 2: Convert to fraction form
    36,905.54/55,260.03 = 19,338.62/x
  3. Step 3: Cross multiply
    36,905.54x = 55,260.03 × 19,338.62
  4. Step 4: Simplify right side
    36,905.54x = 1,068,652,721.36
  5. Step 5: Solve for x
    x = 1,068,652,721.36/36,905.54
  6. Step 6: Final answer
    x = 28,956.43

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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.