Home / 37,438.56-51,662.88-20,671.68

Finding the Fourth Proportional to 37,438.56, 51,662.88 and 20,671.68

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Solution

The fourth proportional to 37,438.56, 51,662.88 and 20,671.68 is: 28,525.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,438.56 : 51,662.88 = 20,671.68 : x
  2. Step 2: Convert to fraction form
    37,438.56/51,662.88 = 20,671.68/x
  3. Step 3: Cross multiply
    37,438.56x = 51,662.88 × 20,671.68
  4. Step 4: Simplify right side
    37,438.56x = 1,067,958,523.24
  5. Step 5: Solve for x
    x = 1,067,958,523.24/37,438.56
  6. Step 6: Final answer
    x = 28,525.63

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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.