Home / 35,906.76-49,550.22-19,990.86

Finding the Fourth Proportional to 35,906.76, 49,550.22 and 19,990.86

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Solution

The fourth proportional to 35,906.76, 49,550.22 and 19,990.86 is: 27,586.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,906.76 : 49,550.22 = 19,990.86 : x
  2. Step 2: Convert to fraction form
    35,906.76/49,550.22 = 19,990.86/x
  3. Step 3: Cross multiply
    35,906.76x = 49,550.22 × 19,990.86
  4. Step 4: Simplify right side
    35,906.76x = 990,551,510.99
  5. Step 5: Solve for x
    x = 990,551,510.99/35,906.76
  6. Step 6: Final answer
    x = 27,586.77

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Double scale
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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.