Home / 36,504-54,783.54-18,972.36

Finding the Fourth Proportional to 36,504, 54,783.54 and 18,972.36

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Solution

The fourth proportional to 36,504, 54,783.54 and 18,972.36 is: 28,472.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,504 : 54,783.54 = 18,972.36 : x
  2. Step 2: Convert to fraction form
    36,504/54,783.54 = 18,972.36/x
  3. Step 3: Cross multiply
    36,504x = 54,783.54 × 18,972.36
  4. Step 4: Simplify right side
    36,504x = 1,039,373,042.95
  5. Step 5: Solve for x
    x = 1,039,373,042.95/36,504
  6. Step 6: Final answer
    x = 28,472.85

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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.