Home / 37,675.75-51,992.67-20,908.75

Finding the Fourth Proportional to 37,675.75, 51,992.67 and 20,908.75

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Solution

The fourth proportional to 37,675.75, 51,992.67 and 20,908.75 is: 28,854.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,675.75 : 51,992.67 = 20,908.75 : x
  2. Step 2: Convert to fraction form
    37,675.75/51,992.67 = 20,908.75/x
  3. Step 3: Cross multiply
    37,675.75x = 51,992.67 × 20,908.75
  4. Step 4: Simplify right side
    37,675.75x = 1,087,101,738.86
  5. Step 5: Solve for x
    x = 1,087,101,738.86/37,675.75
  6. Step 6: Final answer
    x = 28,854.15

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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.