Home / 31,120.44-46,668.48-13,578.36

Finding the Fourth Proportional to 31,120.44, 46,668.48 and 13,578.36

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Solution

The fourth proportional to 31,120.44, 46,668.48 and 13,578.36 is: 20,362.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,120.44 : 46,668.48 = 13,578.36 : x
  2. Step 2: Convert to fraction form
    31,120.44/46,668.48 = 13,578.36/x
  3. Step 3: Cross multiply
    31,120.44x = 46,668.48 × 13,578.36
  4. Step 4: Simplify right side
    31,120.44x = 633,681,422.09
  5. Step 5: Solve for x
    x = 633,681,422.09/31,120.44
  6. Step 6: Final answer
    x = 20,362.23

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1.5x scale

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.