Home / 51,738.97-77,608.41-13,788.25

Finding the Fourth Proportional to 51,738.97, 77,608.41 and 13,788.25

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Solution

The fourth proportional to 51,738.97, 77,608.41 and 13,788.25 is: 20,682.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,738.97 : 77,608.41 = 13,788.25 : x
  2. Step 2: Convert to fraction form
    51,738.97/77,608.41 = 13,788.25/x
  3. Step 3: Cross multiply
    51,738.97x = 77,608.41 × 13,788.25
  4. Step 4: Simplify right side
    51,738.97x = 1,070,083,771.14
  5. Step 5: Solve for x
    x = 1,070,083,771.14/51,738.97
  6. Step 6: Final answer
    x = 20,682.36

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Similar ratio
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1.5x scale

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.