Home / 53,556.50-80,279.03-17,991.43

Finding the Fourth Proportional to 53,556.50, 80,279.03 and 17,991.43

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Solution

The fourth proportional to 53,556.50, 80,279.03 and 17,991.43 is: 26,968.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,556.50 : 80,279.03 = 17,991.43 : x
  2. Step 2: Convert to fraction form
    53,556.50/80,279.03 = 17,991.43/x
  3. Step 3: Cross multiply
    53,556.50x = 80,279.03 × 17,991.43
  4. Step 4: Simplify right side
    53,556.50x = 1,444,334,392.99
  5. Step 5: Solve for x
    x = 1,444,334,392.99/53,556.50
  6. Step 6: Final answer
    x = 26,968.42

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1.5x scale

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.