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Finding the Fourth Proportional to 33,809.56, 50,714.30 and 13,018.48

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Solution

The fourth proportional to 33,809.56, 50,714.30 and 13,018.48 is: 19,527.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,809.56 : 50,714.30 = 13,018.48 : x
  2. Step 2: Convert to fraction form
    33,809.56/50,714.30 = 13,018.48/x
  3. Step 3: Cross multiply
    33,809.56x = 50,714.30 × 13,018.48
  4. Step 4: Simplify right side
    33,809.56x = 660,223,100.26
  5. Step 5: Solve for x
    x = 660,223,100.26/33,809.56
  6. Step 6: Final answer
    x = 19,527.70

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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.