Home / 37,149.63-51,267.39-20,382.63

Finding the Fourth Proportional to 37,149.63, 51,267.39 and 20,382.63

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Solution

The fourth proportional to 37,149.63, 51,267.39 and 20,382.63 is: 28,128.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,149.63 : 51,267.39 = 20,382.63 : x
  2. Step 2: Convert to fraction form
    37,149.63/51,267.39 = 20,382.63/x
  3. Step 3: Cross multiply
    37,149.63x = 51,267.39 × 20,382.63
  4. Step 4: Simplify right side
    37,149.63x = 1,044,964,241.44
  5. Step 5: Solve for x
    x = 1,044,964,241.44/37,149.63
  6. Step 6: Final answer
    x = 28,128.52

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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.