Home / 35,787.13-53,673.77-10,821.33

Finding the Fourth Proportional to 35,787.13, 53,673.77 and 10,821.33

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Solution

The fourth proportional to 35,787.13, 53,673.77 and 10,821.33 is: 16,229.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,787.13 : 53,673.77 = 10,821.33 : x
  2. Step 2: Convert to fraction form
    35,787.13/53,673.77 = 10,821.33/x
  3. Step 3: Cross multiply
    35,787.13x = 53,673.77 × 10,821.33
  4. Step 4: Simplify right side
    35,787.13x = 580,821,282.09
  5. Step 5: Solve for x
    x = 580,821,282.09/35,787.13
  6. Step 6: Final answer
    x = 16,229.89

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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.