Home / 43,849.82-65,778.20-12,260.08

Finding the Fourth Proportional to 43,849.82, 65,778.20 and 12,260.08

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Solution

The fourth proportional to 43,849.82, 65,778.20 and 12,260.08 is: 18,391.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,849.82 : 65,778.20 = 12,260.08 : x
  2. Step 2: Convert to fraction form
    43,849.82/65,778.20 = 12,260.08/x
  3. Step 3: Cross multiply
    43,849.82x = 65,778.20 × 12,260.08
  4. Step 4: Simplify right side
    43,849.82x = 806,446,280.64
  5. Step 5: Solve for x
    x = 806,446,280.64/43,849.82
  6. Step 6: Final answer
    x = 18,391.10

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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.