Home / 37,147.14-51,262.77-20,151.42

Finding the Fourth Proportional to 37,147.14, 51,262.77 and 20,151.42

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Solution

The fourth proportional to 37,147.14, 51,262.77 and 20,151.42 is: 27,808.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,147.14 : 51,262.77 = 20,151.42 : x
  2. Step 2: Convert to fraction form
    37,147.14/51,262.77 = 20,151.42/x
  3. Step 3: Cross multiply
    37,147.14x = 51,262.77 × 20,151.42
  4. Step 4: Simplify right side
    37,147.14x = 1,033,017,608.63
  5. Step 5: Solve for x
    x = 1,033,017,608.63/37,147.14
  6. Step 6: Final answer
    x = 27,808.81

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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.