Home / 31,204.12-46,713.92-20,077.96

Finding the Fourth Proportional to 31,204.12, 46,713.92 and 20,077.96

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Solution

The fourth proportional to 31,204.12, 46,713.92 and 20,077.96 is: 30,057.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,204.12 : 46,713.92 = 20,077.96 : x
  2. Step 2: Convert to fraction form
    31,204.12/46,713.92 = 20,077.96/x
  3. Step 3: Cross multiply
    31,204.12x = 46,713.92 × 20,077.96
  4. Step 4: Simplify right side
    31,204.12x = 937,920,217.20
  5. Step 5: Solve for x
    x = 937,920,217.20/31,204.12
  6. Step 6: Final answer
    x = 30,057.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.