Home / 48,813.31-73,231.24-20,734.28

Finding the Fourth Proportional to 48,813.31, 73,231.24 and 20,734.28

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Solution

The fourth proportional to 48,813.31, 73,231.24 and 20,734.28 is: 31,106.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,813.31 : 73,231.24 = 20,734.28 : x
  2. Step 2: Convert to fraction form
    48,813.31/73,231.24 = 20,734.28/x
  3. Step 3: Cross multiply
    48,813.31x = 73,231.24 × 20,734.28
  4. Step 4: Simplify right side
    48,813.31x = 1,518,397,034.91
  5. Step 5: Solve for x
    x = 1,518,397,034.91/48,813.31
  6. Step 6: Final answer
    x = 31,106.21

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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.