Home / 54,872.96-82,309.76-16,921.70

Finding the Fourth Proportional to 54,872.96, 82,309.76 and 16,921.70

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Solution

The fourth proportional to 54,872.96, 82,309.76 and 16,921.70 is: 25,382.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,872.96 : 82,309.76 = 16,921.70 : x
  2. Step 2: Convert to fraction form
    54,872.96/82,309.76 = 16,921.70/x
  3. Step 3: Cross multiply
    54,872.96x = 82,309.76 × 16,921.70
  4. Step 4: Simplify right side
    54,872.96x = 1,392,820,941.75
  5. Step 5: Solve for x
    x = 1,392,820,941.75/54,872.96
  6. Step 6: Final answer
    x = 25,382.65

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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.