Home / 31,475.21-43,435.64-17,328.04

Finding the Fourth Proportional to 31,475.21, 43,435.64 and 17,328.04

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Solution

The fourth proportional to 31,475.21, 43,435.64 and 17,328.04 is: 23,912.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,475.21 : 43,435.64 = 17,328.04 : x
  2. Step 2: Convert to fraction form
    31,475.21/43,435.64 = 17,328.04/x
  3. Step 3: Cross multiply
    31,475.21x = 43,435.64 × 17,328.04
  4. Step 4: Simplify right side
    31,475.21x = 752,654,442.08
  5. Step 5: Solve for x
    x = 752,654,442.08/31,475.21
  6. Step 6: Final answer
    x = 23,912.61

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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.