Home / 36,509.82-54,764.73-13,135.65

Finding the Fourth Proportional to 36,509.82, 54,764.73 and 13,135.65

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Solution

The fourth proportional to 36,509.82, 54,764.73 and 13,135.65 is: 19,703.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,509.82 : 54,764.73 = 13,135.65 : x
  2. Step 2: Convert to fraction form
    36,509.82/54,764.73 = 13,135.65/x
  3. Step 3: Cross multiply
    36,509.82x = 54,764.73 × 13,135.65
  4. Step 4: Simplify right side
    36,509.82x = 719,370,325.62
  5. Step 5: Solve for x
    x = 719,370,325.62/36,509.82
  6. Step 6: Final answer
    x = 19,703.48

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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.