Home / 35,621.07-49,162.14-20,512.23

Finding the Fourth Proportional to 35,621.07, 49,162.14 and 20,512.23

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Solution

The fourth proportional to 35,621.07, 49,162.14 and 20,512.23 is: 28,309.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,621.07 : 49,162.14 = 20,512.23 : x
  2. Step 2: Convert to fraction form
    35,621.07/49,162.14 = 20,512.23/x
  3. Step 3: Cross multiply
    35,621.07x = 49,162.14 × 20,512.23
  4. Step 4: Simplify right side
    35,621.07x = 1,008,425,122.97
  5. Step 5: Solve for x
    x = 1,008,425,122.97/35,621.07
  6. Step 6: Final answer
    x = 28,309.79

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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.