Home / 29,821.20-44,751.92-12,290.64

Finding the Fourth Proportional to 29,821.20, 44,751.92 and 12,290.64

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Solution

The fourth proportional to 29,821.20, 44,751.92 and 12,290.64 is: 18,444.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,821.20 : 44,751.92 = 12,290.64 : x
  2. Step 2: Convert to fraction form
    29,821.20/44,751.92 = 12,290.64/x
  3. Step 3: Cross multiply
    29,821.20x = 44,751.92 × 12,290.64
  4. Step 4: Simplify right side
    29,821.20x = 550,029,676.58
  5. Step 5: Solve for x
    x = 550,029,676.58/29,821.20
  6. Step 6: Final answer
    x = 18,444.25

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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.