Home / 53,619.62-80,403.43-16,172.78

Finding the Fourth Proportional to 53,619.62, 80,403.43 and 16,172.78

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Solution

The fourth proportional to 53,619.62, 80,403.43 and 16,172.78 is: 24,251.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,619.62 : 80,403.43 = 16,172.78 : x
  2. Step 2: Convert to fraction form
    53,619.62/80,403.43 = 16,172.78/x
  3. Step 3: Cross multiply
    53,619.62x = 80,403.43 × 16,172.78
  4. Step 4: Simplify right side
    53,619.62x = 1,300,346,984.64
  5. Step 5: Solve for x
    x = 1,300,346,984.64/53,619.62
  6. Step 6: Final answer
    x = 24,251.33

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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.