Home / 51,190.79-76,786.38-19,593.50

Finding the Fourth Proportional to 51,190.79, 76,786.38 and 19,593.50

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Solution

The fourth proportional to 51,190.79, 76,786.38 and 19,593.50 is: 29,390.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,190.79 : 76,786.38 = 19,593.50 : x
  2. Step 2: Convert to fraction form
    51,190.79/76,786.38 = 19,593.50/x
  3. Step 3: Cross multiply
    51,190.79x = 76,786.38 × 19,593.50
  4. Step 4: Simplify right side
    51,190.79x = 1,504,513,552.60
  5. Step 5: Solve for x
    x = 1,504,513,552.60/51,190.79
  6. Step 6: Final answer
    x = 29,390.32

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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.