Home / 38,488-57,733.68-12,194.68

Finding the Fourth Proportional to 38,488, 57,733.68 and 12,194.68

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Solution

The fourth proportional to 38,488, 57,733.68 and 12,194.68 is: 18,292.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,488 : 57,733.68 = 12,194.68 : x
  2. Step 2: Convert to fraction form
    38,488/57,733.68 = 12,194.68/x
  3. Step 3: Cross multiply
    38,488x = 57,733.68 × 12,194.68
  4. Step 4: Simplify right side
    38,488x = 704,043,752.82
  5. Step 5: Solve for x
    x = 704,043,752.82/38,488
  6. Step 6: Final answer
    x = 18,292.55

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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.