Home / 31,977.18-44,141.22-21,362.94

Finding the Fourth Proportional to 31,977.18, 44,141.22 and 21,362.94

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Solution

The fourth proportional to 31,977.18, 44,141.22 and 21,362.94 is: 29,489.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,977.18 : 44,141.22 = 21,362.94 : x
  2. Step 2: Convert to fraction form
    31,977.18/44,141.22 = 21,362.94/x
  3. Step 3: Cross multiply
    31,977.18x = 44,141.22 × 21,362.94
  4. Step 4: Simplify right side
    31,977.18x = 942,986,234.39
  5. Step 5: Solve for x
    x = 942,986,234.39/31,977.18
  6. Step 6: Final answer
    x = 29,489.35

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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.