Home / 39,088.43-53,942.08-21,183.43

Finding the Fourth Proportional to 39,088.43, 53,942.08 and 21,183.43

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Solution

The fourth proportional to 39,088.43, 53,942.08 and 21,183.43 is: 29,233.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,088.43 : 53,942.08 = 21,183.43 : x
  2. Step 2: Convert to fraction form
    39,088.43/53,942.08 = 21,183.43/x
  3. Step 3: Cross multiply
    39,088.43x = 53,942.08 × 21,183.43
  4. Step 4: Simplify right side
    39,088.43x = 1,142,678,304.67
  5. Step 5: Solve for x
    x = 1,142,678,304.67/39,088.43
  6. Step 6: Final answer
    x = 29,233.16

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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.