Home / 53,579.88-80,313.32-21,975.91

Finding the Fourth Proportional to 53,579.88, 80,313.32 and 21,975.91

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Solution

The fourth proportional to 53,579.88, 80,313.32 and 21,975.91 is: 32,940.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,579.88 : 80,313.32 = 21,975.91 : x
  2. Step 2: Convert to fraction form
    53,579.88/80,313.32 = 21,975.91/x
  3. Step 3: Cross multiply
    53,579.88x = 80,313.32 × 21,975.91
  4. Step 4: Simplify right side
    53,579.88x = 1,764,958,146.28
  5. Step 5: Solve for x
    x = 1,764,958,146.28/53,579.88
  6. Step 6: Final answer
    x = 32,940.69

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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.