Home / 31,168.94-43,011.38-17,019.04

Finding the Fourth Proportional to 31,168.94, 43,011.38 and 17,019.04

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Solution

The fourth proportional to 31,168.94, 43,011.38 and 17,019.04 is: 23,485.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,168.94 : 43,011.38 = 17,019.04 : x
  2. Step 2: Convert to fraction form
    31,168.94/43,011.38 = 17,019.04/x
  3. Step 3: Cross multiply
    31,168.94x = 43,011.38 × 17,019.04
  4. Step 4: Simplify right side
    31,168.94x = 732,012,396.68
  5. Step 5: Solve for x
    x = 732,012,396.68/31,168.94
  6. Step 6: Final answer
    x = 23,485.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.