Home / 37,617.46-51,912.50-20,621.33

Finding the Fourth Proportional to 37,617.46, 51,912.50 and 20,621.33

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Solution

The fourth proportional to 37,617.46, 51,912.50 and 20,621.33 is: 28,457.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,617.46 : 51,912.50 = 20,621.33 : x
  2. Step 2: Convert to fraction form
    37,617.46/51,912.50 = 20,621.33/x
  3. Step 3: Cross multiply
    37,617.46x = 51,912.50 × 20,621.33
  4. Step 4: Simplify right side
    37,617.46x = 1,070,504,625.63
  5. Step 5: Solve for x
    x = 1,070,504,625.63/37,617.46
  6. Step 6: Final answer
    x = 28,457.65

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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.