Home / 43,836.12-65,757.78-14,253.30

Finding the Fourth Proportional to 43,836.12, 65,757.78 and 14,253.30

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Solution

The fourth proportional to 43,836.12, 65,757.78 and 14,253.30 is: 21,381.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,836.12 : 65,757.78 = 14,253.30 : x
  2. Step 2: Convert to fraction form
    43,836.12/65,757.78 = 14,253.30/x
  3. Step 3: Cross multiply
    43,836.12x = 65,757.78 × 14,253.30
  4. Step 4: Simplify right side
    43,836.12x = 937,265,365.67
  5. Step 5: Solve for x
    x = 937,265,365.67/43,836.12
  6. Step 6: Final answer
    x = 21,381.12

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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.