Home / 50,650.18-69,896.84-27,990.70

Finding the Fourth Proportional to 50,650.18, 69,896.84 and 27,990.70

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Solution

The fourth proportional to 50,650.18, 69,896.84 and 27,990.70 is: 38,626.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,650.18 : 69,896.84 = 27,990.70 : x
  2. Step 2: Convert to fraction form
    50,650.18/69,896.84 = 27,990.70/x
  3. Step 3: Cross multiply
    50,650.18x = 69,896.84 × 27,990.70
  4. Step 4: Simplify right side
    50,650.18x = 1,956,461,479.39
  5. Step 5: Solve for x
    x = 1,956,461,479.39/50,650.18
  6. Step 6: Final answer
    x = 38,626.94

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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.