Home / 36,122.96-49,738.92-31,621.52

Finding the Fourth Proportional to 36,122.96, 49,738.92 and 31,621.52

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Solution

The fourth proportional to 36,122.96, 49,738.92 and 31,621.52 is: 43,540.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,122.96 : 49,738.92 = 31,621.52 : x
  2. Step 2: Convert to fraction form
    36,122.96/49,738.92 = 31,621.52/x
  3. Step 3: Cross multiply
    36,122.96x = 49,738.92 × 31,621.52
  4. Step 4: Simplify right side
    36,122.96x = 1,572,820,253.56
  5. Step 5: Solve for x
    x = 1,572,820,253.56/36,122.96
  6. Step 6: Final answer
    x = 43,540.74

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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.