Home / 39,088.62-53,942.09-21,183.17

Finding the Fourth Proportional to 39,088.62, 53,942.09 and 21,183.17

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Solution

The fourth proportional to 39,088.62, 53,942.09 and 21,183.17 is: 29,232.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,088.62 : 53,942.09 = 21,183.17 : x
  2. Step 2: Convert to fraction form
    39,088.62/53,942.09 = 21,183.17/x
  3. Step 3: Cross multiply
    39,088.62x = 53,942.09 × 21,183.17
  4. Step 4: Simplify right side
    39,088.62x = 1,142,664,087.00
  5. Step 5: Solve for x
    x = 1,142,664,087.00/39,088.62
  6. Step 6: Final answer
    x = 29,232.65

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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.