Home / 51,129.80-76,698.21-17,382.09

Finding the Fourth Proportional to 51,129.80, 76,698.21 and 17,382.09

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Solution

The fourth proportional to 51,129.80, 76,698.21 and 17,382.09 is: 26,074.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,129.80 : 76,698.21 = 17,382.09 : x
  2. Step 2: Convert to fraction form
    51,129.80/76,698.21 = 17,382.09/x
  3. Step 3: Cross multiply
    51,129.80x = 76,698.21 × 17,382.09
  4. Step 4: Simplify right side
    51,129.80x = 1,333,175,189.06
  5. Step 5: Solve for x
    x = 1,333,175,189.06/51,129.80
  6. Step 6: Final answer
    x = 26,074.33

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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.