Home / 43,664.49-65,475.99-19,965

Finding the Fourth Proportional to 43,664.49, 65,475.99 and 19,965

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Solution

The fourth proportional to 43,664.49, 65,475.99 and 19,965 is: 29,938.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,664.49 : 65,475.99 = 19,965 : x
  2. Step 2: Convert to fraction form
    43,664.49/65,475.99 = 19,965/x
  3. Step 3: Cross multiply
    43,664.49x = 65,475.99 × 19,965
  4. Step 4: Simplify right side
    43,664.49x = 1,307,228,140.35
  5. Step 5: Solve for x
    x = 1,307,228,140.35/43,664.49
  6. Step 6: Final answer
    x = 29,938.01

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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.