Home / 30,891.34-46,336.92-11,169.91

Finding the Fourth Proportional to 30,891.34, 46,336.92 and 11,169.91

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Solution

The fourth proportional to 30,891.34, 46,336.92 and 11,169.91 is: 16,754.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,891.34 : 46,336.92 = 11,169.91 : x
  2. Step 2: Convert to fraction form
    30,891.34/46,336.92 = 11,169.91/x
  3. Step 3: Cross multiply
    30,891.34x = 46,336.92 × 11,169.91
  4. Step 4: Simplify right side
    30,891.34x = 517,579,226.08
  5. Step 5: Solve for x
    x = 517,579,226.08/30,891.34
  6. Step 6: Final answer
    x = 16,754.83

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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.