Home / 37,976.94-52,408.19-20,749.55

Finding the Fourth Proportional to 37,976.94, 52,408.19 and 20,749.55

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Solution

The fourth proportional to 37,976.94, 52,408.19 and 20,749.55 is: 28,634.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,976.94 : 52,408.19 = 20,749.55 : x
  2. Step 2: Convert to fraction form
    37,976.94/52,408.19 = 20,749.55/x
  3. Step 3: Cross multiply
    37,976.94x = 52,408.19 × 20,749.55
  4. Step 4: Simplify right side
    37,976.94x = 1,087,446,148.65
  5. Step 5: Solve for x
    x = 1,087,446,148.65/37,976.94
  6. Step 6: Final answer
    x = 28,634.38

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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.