Home / 51,186.44-76,786.14-20,017.64

Finding the Fourth Proportional to 51,186.44, 76,786.14 and 20,017.64

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Solution

The fourth proportional to 51,186.44, 76,786.14 and 20,017.64 is: 30,028.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,186.44 : 76,786.14 = 20,017.64 : x
  2. Step 2: Convert to fraction form
    51,186.44/76,786.14 = 20,017.64/x
  3. Step 3: Cross multiply
    51,186.44x = 76,786.14 × 20,017.64
  4. Step 4: Simplify right side
    51,186.44x = 1,537,077,307.51
  5. Step 5: Solve for x
    x = 1,537,077,307.51/51,186.44
  6. Step 6: Final answer
    x = 30,028.99

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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.