Home / 31,120.49-46,698.96-11,400.43

Finding the Fourth Proportional to 31,120.49, 46,698.96 and 11,400.43

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Solution

The fourth proportional to 31,120.49, 46,698.96 and 11,400.43 is: 17,107.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,120.49 : 46,698.96 = 11,400.43 : x
  2. Step 2: Convert to fraction form
    31,120.49/46,698.96 = 11,400.43/x
  3. Step 3: Cross multiply
    31,120.49x = 46,698.96 × 11,400.43
  4. Step 4: Simplify right side
    31,120.49x = 532,388,224.55
  5. Step 5: Solve for x
    x = 532,388,224.55/31,120.49
  6. Step 6: Final answer
    x = 17,107.32

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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.