Home / 51,623.97-77,464.16-20,035.28

Finding the Fourth Proportional to 51,623.97, 77,464.16 and 20,035.28

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Solution

The fourth proportional to 51,623.97, 77,464.16 and 20,035.28 is: 30,063.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,623.97 : 77,464.16 = 20,035.28 : x
  2. Step 2: Convert to fraction form
    51,623.97/77,464.16 = 20,035.28/x
  3. Step 3: Cross multiply
    51,623.97x = 77,464.16 × 20,035.28
  4. Step 4: Simplify right side
    51,623.97x = 1,552,016,135.56
  5. Step 5: Solve for x
    x = 1,552,016,135.56/51,623.97
  6. Step 6: Final answer
    x = 30,063.87

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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.