Home / 37,415.62-51,629.88-20,647.54

Finding the Fourth Proportional to 37,415.62, 51,629.88 and 20,647.54

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Solution

The fourth proportional to 37,415.62, 51,629.88 and 20,647.54 is: 28,491.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,415.62 : 51,629.88 = 20,647.54 : x
  2. Step 2: Convert to fraction form
    37,415.62/51,629.88 = 20,647.54/x
  3. Step 3: Cross multiply
    37,415.62x = 51,629.88 × 20,647.54
  4. Step 4: Simplify right side
    37,415.62x = 1,066,030,012.50
  5. Step 5: Solve for x
    x = 1,066,030,012.50/37,415.62
  6. Step 6: Final answer
    x = 28,491.58

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1.5x scale

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.