Home / 37,103.58-51,205.43-20,965.30

Finding the Fourth Proportional to 37,103.58, 51,205.43 and 20,965.30

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Solution

The fourth proportional to 37,103.58, 51,205.43 and 20,965.30 is: 28,933.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,103.58 : 51,205.43 = 20,965.30 : x
  2. Step 2: Convert to fraction form
    37,103.58/51,205.43 = 20,965.30/x
  3. Step 3: Cross multiply
    37,103.58x = 51,205.43 × 20,965.30
  4. Step 4: Simplify right side
    37,103.58x = 1,073,537,125.98
  5. Step 5: Solve for x
    x = 1,073,537,125.98/37,103.58
  6. Step 6: Final answer
    x = 28,933.52

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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.