Home / 56,765.56-85,147.66-17,322.79

Finding the Fourth Proportional to 56,765.56, 85,147.66 and 17,322.79

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Solution

The fourth proportional to 56,765.56, 85,147.66 and 17,322.79 is: 25,983.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,765.56 : 85,147.66 = 17,322.79 : x
  2. Step 2: Convert to fraction form
    56,765.56/85,147.66 = 17,322.79/x
  3. Step 3: Cross multiply
    56,765.56x = 85,147.66 × 17,322.79
  4. Step 4: Simplify right side
    56,765.56x = 1,474,994,664.69
  5. Step 5: Solve for x
    x = 1,474,994,664.69/56,765.56
  6. Step 6: Final answer
    x = 25,983.97

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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.