Home / 54,810.15-82,183.32-21,491.16

Finding the Fourth Proportional to 54,810.15, 82,183.32 and 21,491.16

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Solution

The fourth proportional to 54,810.15, 82,183.32 and 21,491.16 is: 32,224.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,810.15 : 82,183.32 = 21,491.16 : x
  2. Step 2: Convert to fraction form
    54,810.15/82,183.32 = 21,491.16/x
  3. Step 3: Cross multiply
    54,810.15x = 82,183.32 × 21,491.16
  4. Step 4: Simplify right side
    54,810.15x = 1,766,214,879.45
  5. Step 5: Solve for x
    x = 1,766,214,879.45/54,810.15
  6. Step 6: Final answer
    x = 32,224.23

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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.