Home / 43,049.67-64,577.23-11,459.21

Finding the Fourth Proportional to 43,049.67, 64,577.23 and 11,459.21

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Solution

The fourth proportional to 43,049.67, 64,577.23 and 11,459.21 is: 17,189.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,049.67 : 64,577.23 = 11,459.21 : x
  2. Step 2: Convert to fraction form
    43,049.67/64,577.23 = 11,459.21/x
  3. Step 3: Cross multiply
    43,049.67x = 64,577.23 × 11,459.21
  4. Step 4: Simplify right side
    43,049.67x = 740,004,039.79
  5. Step 5: Solve for x
    x = 740,004,039.79/43,049.67
  6. Step 6: Final answer
    x = 17,189.54

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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.