Home / 54,917.37-82,403.64-21,661.29

Finding the Fourth Proportional to 54,917.37, 82,403.64 and 21,661.29

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Solution

The fourth proportional to 54,917.37, 82,403.64 and 21,661.29 is: 32,502.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,917.37 : 82,403.64 = 21,661.29 : x
  2. Step 2: Convert to fraction form
    54,917.37/82,403.64 = 21,661.29/x
  3. Step 3: Cross multiply
    54,917.37x = 82,403.64 × 21,661.29
  4. Step 4: Simplify right side
    54,917.37x = 1,784,969,143.10
  5. Step 5: Solve for x
    x = 1,784,969,143.10/54,917.37
  6. Step 6: Final answer
    x = 32,502.82

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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.