Home / 45,568.56-68,362.96-13,983

Finding the Fourth Proportional to 45,568.56, 68,362.96 and 13,983

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Solution

The fourth proportional to 45,568.56, 68,362.96 and 13,983 is: 20,977.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,568.56 : 68,362.96 = 13,983 : x
  2. Step 2: Convert to fraction form
    45,568.56/68,362.96 = 13,983/x
  3. Step 3: Cross multiply
    45,568.56x = 68,362.96 × 13,983
  4. Step 4: Simplify right side
    45,568.56x = 955,919,269.68
  5. Step 5: Solve for x
    x = 955,919,269.68/45,568.56
  6. Step 6: Final answer
    x = 20,977.61

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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.