Home / 38,992.37-58,498.92-12,338.87

Finding the Fourth Proportional to 38,992.37, 58,498.92 and 12,338.87

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Solution

The fourth proportional to 38,992.37, 58,498.92 and 12,338.87 is: 18,511.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,992.37 : 58,498.92 = 12,338.87 : x
  2. Step 2: Convert to fraction form
    38,992.37/58,498.92 = 12,338.87/x
  3. Step 3: Cross multiply
    38,992.37x = 58,498.92 × 12,338.87
  4. Step 4: Simplify right side
    38,992.37x = 721,810,276.53
  5. Step 5: Solve for x
    x = 721,810,276.53/38,992.37
  6. Step 6: Final answer
    x = 18,511.58

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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.