Home / 51,515.97-77,285.05-15,976.57

Finding the Fourth Proportional to 51,515.97, 77,285.05 and 15,976.57

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Solution

The fourth proportional to 51,515.97, 77,285.05 and 15,976.57 is: 23,968.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,515.97 : 77,285.05 = 15,976.57 : x
  2. Step 2: Convert to fraction form
    51,515.97/77,285.05 = 15,976.57/x
  3. Step 3: Cross multiply
    51,515.97x = 77,285.05 × 15,976.57
  4. Step 4: Simplify right side
    51,515.97x = 1,234,749,738.18
  5. Step 5: Solve for x
    x = 1,234,749,738.18/51,515.97
  6. Step 6: Final answer
    x = 23,968.29

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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.