Home / 31,738.36-43,797.90-19,160.92

Finding the Fourth Proportional to 31,738.36, 43,797.90 and 19,160.92

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Solution

The fourth proportional to 31,738.36, 43,797.90 and 19,160.92 is: 26,441.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,738.36 : 43,797.90 = 19,160.92 : x
  2. Step 2: Convert to fraction form
    31,738.36/43,797.90 = 19,160.92/x
  3. Step 3: Cross multiply
    31,738.36x = 43,797.90 × 19,160.92
  4. Step 4: Simplify right side
    31,738.36x = 839,208,058.07
  5. Step 5: Solve for x
    x = 839,208,058.07/31,738.36
  6. Step 6: Final answer
    x = 26,441.44

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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.