Home / 73,017.98-109,534.65-30,318.56

Finding the Fourth Proportional to 73,017.98, 109,534.65 and 30,318.56

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Solution

The fourth proportional to 73,017.98, 109,534.65 and 30,318.56 is: 45,481.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,017.98 : 109,534.65 = 30,318.56 : x
  2. Step 2: Convert to fraction form
    73,017.98/109,534.65 = 30,318.56/x
  3. Step 3: Cross multiply
    73,017.98x = 109,534.65 × 30,318.56
  4. Step 4: Simplify right side
    73,017.98x = 3,320,932,310.43
  5. Step 5: Solve for x
    x = 3,320,932,310.43/73,017.98
  6. Step 6: Final answer
    x = 45,481.02

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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.