Home / 51,013.74-76,455.78-28,839.54

Finding the Fourth Proportional to 51,013.74, 76,455.78 and 28,839.54

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Solution

The fourth proportional to 51,013.74, 76,455.78 and 28,839.54 is: 43,222.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,013.74 : 76,455.78 = 28,839.54 : x
  2. Step 2: Convert to fraction form
    51,013.74/76,455.78 = 28,839.54/x
  3. Step 3: Cross multiply
    51,013.74x = 76,455.78 × 28,839.54
  4. Step 4: Simplify right side
    51,013.74x = 2,204,949,525.54
  5. Step 5: Solve for x
    x = 2,204,949,525.54/51,013.74
  6. Step 6: Final answer
    x = 43,222.66

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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.