Home / 39,756.49-54,912.63-29,729.53

Finding the Fourth Proportional to 39,756.49, 54,912.63 and 29,729.53

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Solution

The fourth proportional to 39,756.49, 54,912.63 and 29,729.53 is: 41,063.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,756.49 : 54,912.63 = 29,729.53 : x
  2. Step 2: Convert to fraction form
    39,756.49/54,912.63 = 29,729.53/x
  3. Step 3: Cross multiply
    39,756.49x = 54,912.63 × 29,729.53
  4. Step 4: Simplify right side
    39,756.49x = 1,632,526,861.09
  5. Step 5: Solve for x
    x = 1,632,526,861.09/39,756.49
  6. Step 6: Final answer
    x = 41,063.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.