Home / 46,679.22-69,995.79-20,372.58

Finding the Fourth Proportional to 46,679.22, 69,995.79 and 20,372.58

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Solution

The fourth proportional to 46,679.22, 69,995.79 and 20,372.58 is: 30,548.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,679.22 : 69,995.79 = 20,372.58 : x
  2. Step 2: Convert to fraction form
    46,679.22/69,995.79 = 20,372.58/x
  3. Step 3: Cross multiply
    46,679.22x = 69,995.79 × 20,372.58
  4. Step 4: Simplify right side
    46,679.22x = 1,425,994,831.44
  5. Step 5: Solve for x
    x = 1,425,994,831.44/46,679.22
  6. Step 6: Final answer
    x = 30,548.81

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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.