Home / 36,047.16-54,078.03-12,680.28

Finding the Fourth Proportional to 36,047.16, 54,078.03 and 12,680.28

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Solution

The fourth proportional to 36,047.16, 54,078.03 and 12,680.28 is: 19,022.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,047.16 : 54,078.03 = 12,680.28 : x
  2. Step 2: Convert to fraction form
    36,047.16/54,078.03 = 12,680.28/x
  3. Step 3: Cross multiply
    36,047.16x = 54,078.03 × 12,680.28
  4. Step 4: Simplify right side
    36,047.16x = 685,724,562.25
  5. Step 5: Solve for x
    x = 685,724,562.25/36,047.16
  6. Step 6: Final answer
    x = 19,022.98

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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.