Home / 51,190.83-76,785.84-19,593.54

Finding the Fourth Proportional to 51,190.83, 76,785.84 and 19,593.54

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Solution

The fourth proportional to 51,190.83, 76,785.84 and 19,593.54 is: 29,390.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,190.83 : 76,785.84 = 19,593.54 : x
  2. Step 2: Convert to fraction form
    51,190.83/76,785.84 = 19,593.54/x
  3. Step 3: Cross multiply
    51,190.83x = 76,785.84 × 19,593.54
  4. Step 4: Simplify right side
    51,190.83x = 1,504,506,427.47
  5. Step 5: Solve for x
    x = 1,504,506,427.47/51,190.83
  6. Step 6: Final answer
    x = 29,390.15

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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.