Home / 35,906.58-49,550.18-19,990.68

Finding the Fourth Proportional to 35,906.58, 49,550.18 and 19,990.68

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Solution

The fourth proportional to 35,906.58, 49,550.18 and 19,990.68 is: 27,586.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,906.58 : 49,550.18 = 19,990.68 : x
  2. Step 2: Convert to fraction form
    35,906.58/49,550.18 = 19,990.68/x
  3. Step 3: Cross multiply
    35,906.58x = 49,550.18 × 19,990.68
  4. Step 4: Simplify right side
    35,906.58x = 990,541,792.32
  5. Step 5: Solve for x
    x = 990,541,792.32/35,906.58
  6. Step 6: Final answer
    x = 27,586.64

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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.