Home / 35,211.29-52,783.86-11,821.33

Finding the Fourth Proportional to 35,211.29, 52,783.86 and 11,821.33

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Solution

The fourth proportional to 35,211.29, 52,783.86 and 11,821.33 is: 17,720.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,211.29 : 52,783.86 = 11,821.33 : x
  2. Step 2: Convert to fraction form
    35,211.29/52,783.86 = 11,821.33/x
  3. Step 3: Cross multiply
    35,211.29x = 52,783.86 × 11,821.33
  4. Step 4: Simplify right side
    35,211.29x = 623,975,163.81
  5. Step 5: Solve for x
    x = 623,975,163.81/35,211.29
  6. Step 6: Final answer
    x = 17,720.88

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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.