Home / 37,122.50-51,229.06-20,355.86

Finding the Fourth Proportional to 37,122.50, 51,229.06 and 20,355.86

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Solution

The fourth proportional to 37,122.50, 51,229.06 and 20,355.86 is: 28,091.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,122.50 : 51,229.06 = 20,355.86 : x
  2. Step 2: Convert to fraction form
    37,122.50/51,229.06 = 20,355.86/x
  3. Step 3: Cross multiply
    37,122.50x = 51,229.06 × 20,355.86
  4. Step 4: Simplify right side
    37,122.50x = 1,042,811,573.29
  5. Step 5: Solve for x
    x = 1,042,811,573.29/37,122.50
  6. Step 6: Final answer
    x = 28,091.09

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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.