Home / 36,206.49-54,309.78-15,135

Finding the Fourth Proportional to 36,206.49, 54,309.78 and 15,135

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Solution

The fourth proportional to 36,206.49, 54,309.78 and 15,135 is: 22,702.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,206.49 : 54,309.78 = 15,135 : x
  2. Step 2: Convert to fraction form
    36,206.49/54,309.78 = 15,135/x
  3. Step 3: Cross multiply
    36,206.49x = 54,309.78 × 15,135
  4. Step 4: Simplify right side
    36,206.49x = 821,978,520.30
  5. Step 5: Solve for x
    x = 821,978,520.30/36,206.49
  6. Step 6: Final answer
    x = 22,702.52

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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.