Home / 51,238.62-76,886.73-27,866.70

Finding the Fourth Proportional to 51,238.62, 76,886.73 and 27,866.70

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Solution

The fourth proportional to 51,238.62, 76,886.73 and 27,866.70 is: 41,815.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,238.62 : 76,886.73 = 27,866.70 : x
  2. Step 2: Convert to fraction form
    51,238.62/76,886.73 = 27,866.70/x
  3. Step 3: Cross multiply
    51,238.62x = 76,886.73 × 27,866.70
  4. Step 4: Simplify right side
    51,238.62x = 2,142,579,438.89
  5. Step 5: Solve for x
    x = 2,142,579,438.89/51,238.62
  6. Step 6: Final answer
    x = 41,815.71

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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.