Home / 51,179.37-76,769.06-19,992.75

Finding the Fourth Proportional to 51,179.37, 76,769.06 and 19,992.75

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Solution

The fourth proportional to 51,179.37, 76,769.06 and 19,992.75 is: 29,989.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,179.37 : 76,769.06 = 19,992.75 : x
  2. Step 2: Convert to fraction form
    51,179.37/76,769.06 = 19,992.75/x
  3. Step 3: Cross multiply
    51,179.37x = 76,769.06 × 19,992.75
  4. Step 4: Simplify right side
    51,179.37x = 1,534,824,524.35
  5. Step 5: Solve for x
    x = 1,534,824,524.35/51,179.37
  6. Step 6: Final answer
    x = 29,989.13

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Similar ratio
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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.