Home / 37,213.88-51,358.40-20,450.12

Finding the Fourth Proportional to 37,213.88, 51,358.40 and 20,450.12

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Solution

The fourth proportional to 37,213.88, 51,358.40 and 20,450.12 is: 28,222.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,213.88 : 51,358.40 = 20,450.12 : x
  2. Step 2: Convert to fraction form
    37,213.88/51,358.40 = 20,450.12/x
  3. Step 3: Cross multiply
    37,213.88x = 51,358.40 × 20,450.12
  4. Step 4: Simplify right side
    37,213.88x = 1,050,285,083.97
  5. Step 5: Solve for x
    x = 1,050,285,083.97/37,213.88
  6. Step 6: Final answer
    x = 28,222.94

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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.