Home / 36,872.08-55,302-15,815.50

Finding the Fourth Proportional to 36,872.08, 55,302 and 15,815.50

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Solution

The fourth proportional to 36,872.08, 55,302 and 15,815.50 is: 23,720.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,872.08 : 55,302 = 15,815.50 : x
  2. Step 2: Convert to fraction form
    36,872.08/55,302 = 15,815.50/x
  3. Step 3: Cross multiply
    36,872.08x = 55,302 × 15,815.50
  4. Step 4: Simplify right side
    36,872.08x = 874,628,781
  5. Step 5: Solve for x
    x = 874,628,781/36,872.08
  6. Step 6: Final answer
    x = 23,720.62

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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.