Home / 30,899.22-46,331.22-12,169.10

Finding the Fourth Proportional to 30,899.22, 46,331.22 and 12,169.10

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Solution

The fourth proportional to 30,899.22, 46,331.22 and 12,169.10 is: 18,246.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,899.22 : 46,331.22 = 12,169.10 : x
  2. Step 2: Convert to fraction form
    30,899.22/46,331.22 = 12,169.10/x
  3. Step 3: Cross multiply
    30,899.22x = 46,331.22 × 12,169.10
  4. Step 4: Simplify right side
    30,899.22x = 563,809,249.30
  5. Step 5: Solve for x
    x = 563,809,249.30/30,899.22
  6. Step 6: Final answer
    x = 18,246.71

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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.