Home / 57,513.92-86,279.58-18,067.32

Finding the Fourth Proportional to 57,513.92, 86,279.58 and 18,067.32

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Solution

The fourth proportional to 57,513.92, 86,279.58 and 18,067.32 is: 27,103.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,513.92 : 86,279.58 = 18,067.32 : x
  2. Step 2: Convert to fraction form
    57,513.92/86,279.58 = 18,067.32/x
  3. Step 3: Cross multiply
    57,513.92x = 86,279.58 × 18,067.32
  4. Step 4: Simplify right side
    57,513.92x = 1,558,840,781.33
  5. Step 5: Solve for x
    x = 1,558,840,781.33/57,513.92
  6. Step 6: Final answer
    x = 27,103.72

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1.5x scale

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.