Home / 31,936.08-44,078.40-19,189.92

Finding the Fourth Proportional to 31,936.08, 44,078.40 and 19,189.92

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Solution

The fourth proportional to 31,936.08, 44,078.40 and 19,189.92 is: 26,486.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,936.08 : 44,078.40 = 19,189.92 : x
  2. Step 2: Convert to fraction form
    31,936.08/44,078.40 = 19,189.92/x
  3. Step 3: Cross multiply
    31,936.08x = 44,078.40 × 19,189.92
  4. Step 4: Simplify right side
    31,936.08x = 845,860,969.73
  5. Step 5: Solve for x
    x = 845,860,969.73/31,936.08
  6. Step 6: Final answer
    x = 26,486.06

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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.