Home / 31,296.88-46,940.28-13,763.44

Finding the Fourth Proportional to 31,296.88, 46,940.28 and 13,763.44

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Solution

The fourth proportional to 31,296.88, 46,940.28 and 13,763.44 is: 20,642.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,296.88 : 46,940.28 = 13,763.44 : x
  2. Step 2: Convert to fraction form
    31,296.88/46,940.28 = 13,763.44/x
  3. Step 3: Cross multiply
    31,296.88x = 46,940.28 × 13,763.44
  4. Step 4: Simplify right side
    31,296.88x = 646,059,727.36
  5. Step 5: Solve for x
    x = 646,059,727.36/31,296.88
  6. Step 6: Final answer
    x = 20,642.94

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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.