Home / 37,272.46-51,436.22-20,276.86

Finding the Fourth Proportional to 37,272.46, 51,436.22 and 20,276.86

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Solution

The fourth proportional to 37,272.46, 51,436.22 and 20,276.86 is: 27,982.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,272.46 : 51,436.22 = 20,276.86 : x
  2. Step 2: Convert to fraction form
    37,272.46/51,436.22 = 20,276.86/x
  3. Step 3: Cross multiply
    37,272.46x = 51,436.22 × 20,276.86
  4. Step 4: Simplify right side
    37,272.46x = 1,042,965,031.87
  5. Step 5: Solve for x
    x = 1,042,965,031.87/37,272.46
  6. Step 6: Final answer
    x = 27,982.19

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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.