Home / 35,901.21-53,862.81-18,383.43

Finding the Fourth Proportional to 35,901.21, 53,862.81 and 18,383.43

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Solution

The fourth proportional to 35,901.21, 53,862.81 and 18,383.43 is: 27,580.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,901.21 : 53,862.81 = 18,383.43 : x
  2. Step 2: Convert to fraction form
    35,901.21/53,862.81 = 18,383.43/x
  3. Step 3: Cross multiply
    35,901.21x = 53,862.81 × 18,383.43
  4. Step 4: Simplify right side
    35,901.21x = 990,183,197.24
  5. Step 5: Solve for x
    x = 990,183,197.24/35,901.21
  6. Step 6: Final answer
    x = 27,580.78

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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.