Home / 31,369.94-43,287.84-17,939.04

Finding the Fourth Proportional to 31,369.94, 43,287.84 and 17,939.04

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Solution

The fourth proportional to 31,369.94, 43,287.84 and 17,939.04 is: 24,754.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,369.94 : 43,287.84 = 17,939.04 : x
  2. Step 2: Convert to fraction form
    31,369.94/43,287.84 = 17,939.04/x
  3. Step 3: Cross multiply
    31,369.94x = 43,287.84 × 17,939.04
  4. Step 4: Simplify right side
    31,369.94x = 776,542,293.27
  5. Step 5: Solve for x
    x = 776,542,293.27/31,369.94
  6. Step 6: Final answer
    x = 24,754.34

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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.