Home / 50,694.56-76,009.44-21,132.80

Finding the Fourth Proportional to 50,694.56, 76,009.44 and 21,132.80

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Solution

The fourth proportional to 50,694.56, 76,009.44 and 21,132.80 is: 31,685.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,694.56 : 76,009.44 = 21,132.80 : x
  2. Step 2: Convert to fraction form
    50,694.56/76,009.44 = 21,132.80/x
  3. Step 3: Cross multiply
    50,694.56x = 76,009.44 × 21,132.80
  4. Step 4: Simplify right side
    50,694.56x = 1,606,292,293.63
  5. Step 5: Solve for x
    x = 1,606,292,293.63/50,694.56
  6. Step 6: Final answer
    x = 31,685.69

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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.