Home / 31,897.12-44,013.32-19,147.60

Finding the Fourth Proportional to 31,897.12, 44,013.32 and 19,147.60

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Solution

The fourth proportional to 31,897.12, 44,013.32 and 19,147.60 is: 26,420.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,897.12 : 44,013.32 = 19,147.60 : x
  2. Step 2: Convert to fraction form
    31,897.12/44,013.32 = 19,147.60/x
  3. Step 3: Cross multiply
    31,897.12x = 44,013.32 × 19,147.60
  4. Step 4: Simplify right side
    31,897.12x = 842,749,446.03
  5. Step 5: Solve for x
    x = 842,749,446.03/31,897.12
  6. Step 6: Final answer
    x = 26,420.86

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