Home / 37,121.52-51,227.19-20,354.52

Finding the Fourth Proportional to 37,121.52, 51,227.19 and 20,354.52

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Solution

The fourth proportional to 37,121.52, 51,227.19 and 20,354.52 is: 28,088.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,121.52 : 51,227.19 = 20,354.52 : x
  2. Step 2: Convert to fraction form
    37,121.52/51,227.19 = 20,354.52/x
  3. Step 3: Cross multiply
    37,121.52x = 51,227.19 × 20,354.52
  4. Step 4: Simplify right side
    37,121.52x = 1,042,704,863.40
  5. Step 5: Solve for x
    x = 1,042,704,863.40/37,121.52
  6. Step 6: Final answer
    x = 28,088.96

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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.