Home / 51,072.41-76,512.03-28,901.70

Finding the Fourth Proportional to 51,072.41, 76,512.03 and 28,901.70

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Solution

The fourth proportional to 51,072.41, 76,512.03 and 28,901.70 is: 43,297.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,072.41 : 76,512.03 = 28,901.70 : x
  2. Step 2: Convert to fraction form
    51,072.41/76,512.03 = 28,901.70/x
  3. Step 3: Cross multiply
    51,072.41x = 76,512.03 × 28,901.70
  4. Step 4: Simplify right side
    51,072.41x = 2,211,327,592.94
  5. Step 5: Solve for x
    x = 2,211,327,592.94/51,072.41
  6. Step 6: Final answer
    x = 43,297.89

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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.