Home / 35,786.43-53,685.92-13,601.75

Finding the Fourth Proportional to 35,786.43, 53,685.92 and 13,601.75

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Solution

The fourth proportional to 35,786.43, 53,685.92 and 13,601.75 is: 20,405.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,786.43 : 53,685.92 = 13,601.75 : x
  2. Step 2: Convert to fraction form
    35,786.43/53,685.92 = 13,601.75/x
  3. Step 3: Cross multiply
    35,786.43x = 53,685.92 × 13,601.75
  4. Step 4: Simplify right side
    35,786.43x = 730,222,125.92
  5. Step 5: Solve for x
    x = 730,222,125.92/35,786.43
  6. Step 6: Final answer
    x = 20,405.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.