Home / 54,857.07-82,285.60-19,310.02

Finding the Fourth Proportional to 54,857.07, 82,285.60 and 19,310.02

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Solution

The fourth proportional to 54,857.07, 82,285.60 and 19,310.02 is: 28,965.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,857.07 : 82,285.60 = 19,310.02 : x
  2. Step 2: Convert to fraction form
    54,857.07/82,285.60 = 19,310.02/x
  3. Step 3: Cross multiply
    54,857.07x = 82,285.60 × 19,310.02
  4. Step 4: Simplify right side
    54,857.07x = 1,588,936,327.72
  5. Step 5: Solve for x
    x = 1,588,936,327.72/54,857.07
  6. Step 6: Final answer
    x = 28,965.02

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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.