Home / 35,778.06-49,375.37-20,672.71

Finding the Fourth Proportional to 35,778.06, 49,375.37 and 20,672.71

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Solution

The fourth proportional to 35,778.06, 49,375.37 and 20,672.71 is: 28,529.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,778.06 : 49,375.37 = 20,672.71 : x
  2. Step 2: Convert to fraction form
    35,778.06/49,375.37 = 20,672.71/x
  3. Step 3: Cross multiply
    35,778.06x = 49,375.37 × 20,672.71
  4. Step 4: Simplify right side
    35,778.06x = 1,020,722,633.40
  5. Step 5: Solve for x
    x = 1,020,722,633.40/35,778.06
  6. Step 6: Final answer
    x = 28,529.29

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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.