Home / 39,088.85-53,942.38-21,183.84

Finding the Fourth Proportional to 39,088.85, 53,942.38 and 21,183.84

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Solution

The fourth proportional to 39,088.85, 53,942.38 and 21,183.84 is: 29,233.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,088.85 : 53,942.38 = 21,183.84 : x
  2. Step 2: Convert to fraction form
    39,088.85/53,942.38 = 21,183.84/x
  3. Step 3: Cross multiply
    39,088.85x = 53,942.38 × 21,183.84
  4. Step 4: Simplify right side
    39,088.85x = 1,142,706,694.18
  5. Step 5: Solve for x
    x = 1,142,706,694.18/39,088.85
  6. Step 6: Final answer
    x = 29,233.58

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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.