Home / 37,137.76-51,251.30-20,372.32

Finding the Fourth Proportional to 37,137.76, 51,251.30 and 20,372.32

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Solution

The fourth proportional to 37,137.76, 51,251.30 and 20,372.32 is: 28,114.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,137.76 : 51,251.30 = 20,372.32 : x
  2. Step 2: Convert to fraction form
    37,137.76/51,251.30 = 20,372.32/x
  3. Step 3: Cross multiply
    37,137.76x = 51,251.30 × 20,372.32
  4. Step 4: Simplify right side
    37,137.76x = 1,044,107,884.02
  5. Step 5: Solve for x
    x = 1,044,107,884.02/37,137.76
  6. Step 6: Final answer
    x = 28,114.46

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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.