Home / 36,479.36-54,721.92-11,521.34

Finding the Fourth Proportional to 36,479.36, 54,721.92 and 11,521.34

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Solution

The fourth proportional to 36,479.36, 54,721.92 and 11,521.34 is: 17,282.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,479.36 : 54,721.92 = 11,521.34 : x
  2. Step 2: Convert to fraction form
    36,479.36/54,721.92 = 11,521.34/x
  3. Step 3: Cross multiply
    36,479.36x = 54,721.92 × 11,521.34
  4. Step 4: Simplify right side
    36,479.36x = 630,469,572.16
  5. Step 5: Solve for x
    x = 630,469,572.16/36,479.36
  6. Step 6: Final answer
    x = 17,282.91

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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.