Home / 43,623.92-65,450.52-18,653.36

Finding the Fourth Proportional to 43,623.92, 65,450.52 and 18,653.36

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Solution

The fourth proportional to 43,623.92, 65,450.52 and 18,653.36 is: 27,986.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,623.92 : 65,450.52 = 18,653.36 : x
  2. Step 2: Convert to fraction form
    43,623.92/65,450.52 = 18,653.36/x
  3. Step 3: Cross multiply
    43,623.92x = 65,450.52 × 18,653.36
  4. Step 4: Simplify right side
    43,623.92x = 1,220,872,111.75
  5. Step 5: Solve for x
    x = 1,220,872,111.75/43,623.92
  6. Step 6: Final answer
    x = 27,986.30

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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.