Home / 31,052.36-46,578.94-13,521.54

Finding the Fourth Proportional to 31,052.36, 46,578.94 and 13,521.54

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Solution

The fourth proportional to 31,052.36, 46,578.94 and 13,521.54 is: 20,282.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,052.36 : 46,578.94 = 13,521.54 : x
  2. Step 2: Convert to fraction form
    31,052.36/46,578.94 = 13,521.54/x
  3. Step 3: Cross multiply
    31,052.36x = 46,578.94 × 13,521.54
  4. Step 4: Simplify right side
    31,052.36x = 629,819,000.37
  5. Step 5: Solve for x
    x = 629,819,000.37/31,052.36
  6. Step 6: Final answer
    x = 20,282.48

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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.