Home / 51,480.26-71,039.46-28,815.44

Finding the Fourth Proportional to 51,480.26, 71,039.46 and 28,815.44

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Solution

The fourth proportional to 51,480.26, 71,039.46 and 28,815.44 is: 39,763.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,480.26 : 71,039.46 = 28,815.44 : x
  2. Step 2: Convert to fraction form
    51,480.26/71,039.46 = 28,815.44/x
  3. Step 3: Cross multiply
    51,480.26x = 71,039.46 × 28,815.44
  4. Step 4: Simplify right side
    51,480.26x = 2,047,032,942.07
  5. Step 5: Solve for x
    x = 2,047,032,942.07/51,480.26
  6. Step 6: Final answer
    x = 39,763.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.