Home / 31,010.22-42,795.23-17,764.78

Finding the Fourth Proportional to 31,010.22, 42,795.23 and 17,764.78

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Solution

The fourth proportional to 31,010.22, 42,795.23 and 17,764.78 is: 24,516.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,010.22 : 42,795.23 = 17,764.78 : x
  2. Step 2: Convert to fraction form
    31,010.22/42,795.23 = 17,764.78/x
  3. Step 3: Cross multiply
    31,010.22x = 42,795.23 × 17,764.78
  4. Step 4: Simplify right side
    31,010.22x = 760,247,846.00
  5. Step 5: Solve for x
    x = 760,247,846.00/31,010.22
  6. Step 6: Final answer
    x = 24,516.04

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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.