Home / 31,840.03-43,939.44-19,910.35

Finding the Fourth Proportional to 31,840.03, 43,939.44 and 19,910.35

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Solution

The fourth proportional to 31,840.03, 43,939.44 and 19,910.35 is: 27,476.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,840.03 : 43,939.44 = 19,910.35 : x
  2. Step 2: Convert to fraction form
    31,840.03/43,939.44 = 19,910.35/x
  3. Step 3: Cross multiply
    31,840.03x = 43,939.44 × 19,910.35
  4. Step 4: Simplify right side
    31,840.03x = 874,849,629.20
  5. Step 5: Solve for x
    x = 874,849,629.20/31,840.03
  6. Step 6: Final answer
    x = 27,476.41

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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.