Home / 43,403.27-65,107.13-12,240.95

Finding the Fourth Proportional to 43,403.27, 65,107.13 and 12,240.95

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Solution

The fourth proportional to 43,403.27, 65,107.13 and 12,240.95 is: 18,362.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,403.27 : 65,107.13 = 12,240.95 : x
  2. Step 2: Convert to fraction form
    43,403.27/65,107.13 = 12,240.95/x
  3. Step 3: Cross multiply
    43,403.27x = 65,107.13 × 12,240.95
  4. Step 4: Simplify right side
    43,403.27x = 796,972,736.23
  5. Step 5: Solve for x
    x = 796,972,736.23/43,403.27
  6. Step 6: Final answer
    x = 18,362.05

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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.