Home / 30,209.83-41,687.29-16,779.96

Finding the Fourth Proportional to 30,209.83, 41,687.29 and 16,779.96

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Solution

The fourth proportional to 30,209.83, 41,687.29 and 16,779.96 is: 23,155.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,209.83 : 41,687.29 = 16,779.96 : x
  2. Step 2: Convert to fraction form
    30,209.83/41,687.29 = 16,779.96/x
  3. Step 3: Cross multiply
    30,209.83x = 41,687.29 × 16,779.96
  4. Step 4: Simplify right side
    30,209.83x = 699,511,079.68
  5. Step 5: Solve for x
    x = 699,511,079.68/30,209.83
  6. Step 6: Final answer
    x = 23,155.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.