Home / 35,912.68-49,556.32-20,800.51

Finding the Fourth Proportional to 35,912.68, 49,556.32 and 20,800.51

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Solution

The fourth proportional to 35,912.68, 49,556.32 and 20,800.51 is: 28,702.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,912.68 : 49,556.32 = 20,800.51 : x
  2. Step 2: Convert to fraction form
    35,912.68/49,556.32 = 20,800.51/x
  3. Step 3: Cross multiply
    35,912.68x = 49,556.32 × 20,800.51
  4. Step 4: Simplify right side
    35,912.68x = 1,030,796,949.59
  5. Step 5: Solve for x
    x = 1,030,796,949.59/35,912.68
  6. Step 6: Final answer
    x = 28,702.87

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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.