Home / 38,964.75-58,450.01-13,308.81

Finding the Fourth Proportional to 38,964.75, 58,450.01 and 13,308.81

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Solution

The fourth proportional to 38,964.75, 58,450.01 and 13,308.81 is: 19,964.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,964.75 : 58,450.01 = 13,308.81 : x
  2. Step 2: Convert to fraction form
    38,964.75/58,450.01 = 13,308.81/x
  3. Step 3: Cross multiply
    38,964.75x = 58,450.01 × 13,308.81
  4. Step 4: Simplify right side
    38,964.75x = 777,899,791.86
  5. Step 5: Solve for x
    x = 777,899,791.86/38,964.75
  6. Step 6: Final answer
    x = 19,964.19

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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.