Home / 36,669.08-55,003.61-19,134.80

Finding the Fourth Proportional to 36,669.08, 55,003.61 and 19,134.80

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Solution

The fourth proportional to 36,669.08, 55,003.61 and 19,134.80 is: 28,702.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,669.08 : 55,003.61 = 19,134.80 : x
  2. Step 2: Convert to fraction form
    36,669.08/55,003.61 = 19,134.80/x
  3. Step 3: Cross multiply
    36,669.08x = 55,003.61 × 19,134.80
  4. Step 4: Simplify right side
    36,669.08x = 1,052,482,705.94
  5. Step 5: Solve for x
    x = 1,052,482,705.94/36,669.08
  6. Step 6: Final answer
    x = 28,702.19

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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.