Home / 53,825.08-80,738.07-18,764.68

Finding the Fourth Proportional to 53,825.08, 80,738.07 and 18,764.68

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Solution

The fourth proportional to 53,825.08, 80,738.07 and 18,764.68 is: 28,147.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,825.08 : 80,738.07 = 18,764.68 : x
  2. Step 2: Convert to fraction form
    53,825.08/80,738.07 = 18,764.68/x
  3. Step 3: Cross multiply
    53,825.08x = 80,738.07 × 18,764.68
  4. Step 4: Simplify right side
    53,825.08x = 1,515,024,047.37
  5. Step 5: Solve for x
    x = 1,515,024,047.37/53,825.08
  6. Step 6: Final answer
    x = 28,147.18

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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.