Home / 37,185.44-51,316.24-20,418.56

Finding the Fourth Proportional to 37,185.44, 51,316.24 and 20,418.56

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Solution

The fourth proportional to 37,185.44, 51,316.24 and 20,418.56 is: 28,177.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,185.44 : 51,316.24 = 20,418.56 : x
  2. Step 2: Convert to fraction form
    37,185.44/51,316.24 = 20,418.56/x
  3. Step 3: Cross multiply
    37,185.44x = 51,316.24 × 20,418.56
  4. Step 4: Simplify right side
    37,185.44x = 1,047,803,725.41
  5. Step 5: Solve for x
    x = 1,047,803,725.41/37,185.44
  6. Step 6: Final answer
    x = 28,177.80

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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.