Home / 53,380.44-73,672.32-30,718.96

Finding the Fourth Proportional to 53,380.44, 73,672.32 and 30,718.96

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Solution

The fourth proportional to 53,380.44, 73,672.32 and 30,718.96 is: 42,396.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,380.44 : 73,672.32 = 30,718.96 : x
  2. Step 2: Convert to fraction form
    53,380.44/73,672.32 = 30,718.96/x
  3. Step 3: Cross multiply
    53,380.44x = 73,672.32 × 30,718.96
  4. Step 4: Simplify right side
    53,380.44x = 2,263,137,051.19
  5. Step 5: Solve for x
    x = 2,263,137,051.19/53,380.44
  6. Step 6: Final answer
    x = 42,396.37

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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.