Home / 38,494.64-57,743.60-12,198.80

Finding the Fourth Proportional to 38,494.64, 57,743.60 and 12,198.80

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Solution

The fourth proportional to 38,494.64, 57,743.60 and 12,198.80 is: 18,298.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,494.64 : 57,743.60 = 12,198.80 : x
  2. Step 2: Convert to fraction form
    38,494.64/57,743.60 = 12,198.80/x
  3. Step 3: Cross multiply
    38,494.64x = 57,743.60 × 12,198.80
  4. Step 4: Simplify right side
    38,494.64x = 704,402,566.69
  5. Step 5: Solve for x
    x = 704,402,566.69/38,494.64
  6. Step 6: Final answer
    x = 18,298.72

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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.