Home / 51,016.50-76,531.64-15,958.89

Finding the Fourth Proportional to 51,016.50, 76,531.64 and 15,958.89

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Solution

The fourth proportional to 51,016.50, 76,531.64 and 15,958.89 is: 23,940.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,016.50 : 76,531.64 = 15,958.89 : x
  2. Step 2: Convert to fraction form
    51,016.50/76,531.64 = 15,958.89/x
  3. Step 3: Cross multiply
    51,016.50x = 76,531.64 × 15,958.89
  4. Step 4: Simplify right side
    51,016.50x = 1,221,359,944.49
  5. Step 5: Solve for x
    x = 1,221,359,944.49/51,016.50
  6. Step 6: Final answer
    x = 23,940.49

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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.