Home / 51,051.06-76,584.49-15,987.38

Finding the Fourth Proportional to 51,051.06, 76,584.49 and 15,987.38

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Solution

The fourth proportional to 51,051.06, 76,584.49 and 15,987.38 is: 23,983.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,051.06 : 76,584.49 = 15,987.38 : x
  2. Step 2: Convert to fraction form
    51,051.06/76,584.49 = 15,987.38/x
  3. Step 3: Cross multiply
    51,051.06x = 76,584.49 × 15,987.38
  4. Step 4: Simplify right side
    51,051.06x = 1,224,384,920.85
  5. Step 5: Solve for x
    x = 1,224,384,920.85/51,051.06
  6. Step 6: Final answer
    x = 23,983.54

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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.