Home / 36,195.75-54,280.31-12,497.28

Finding the Fourth Proportional to 36,195.75, 54,280.31 and 12,497.28

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Solution

The fourth proportional to 36,195.75, 54,280.31 and 12,497.28 is: 18,741.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,195.75 : 54,280.31 = 12,497.28 : x
  2. Step 2: Convert to fraction form
    36,195.75/54,280.31 = 12,497.28/x
  3. Step 3: Cross multiply
    36,195.75x = 54,280.31 × 12,497.28
  4. Step 4: Simplify right side
    36,195.75x = 678,356,232.56
  5. Step 5: Solve for x
    x = 678,356,232.56/36,195.75
  6. Step 6: Final answer
    x = 18,741.32

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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.