Home / 39,854.10-54,996.55-22,857.47

Finding the Fourth Proportional to 39,854.10, 54,996.55 and 22,857.47

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Solution

The fourth proportional to 39,854.10, 54,996.55 and 22,857.47 is: 31,542.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,854.10 : 54,996.55 = 22,857.47 : x
  2. Step 2: Convert to fraction form
    39,854.10/54,996.55 = 22,857.47/x
  3. Step 3: Cross multiply
    39,854.10x = 54,996.55 × 22,857.47
  4. Step 4: Simplify right side
    39,854.10x = 1,257,081,716.75
  5. Step 5: Solve for x
    x = 1,257,081,716.75/39,854.10
  6. Step 6: Final answer
    x = 31,542.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.