Home / 43,552.69-65,340-12,387.94

Finding the Fourth Proportional to 43,552.69, 65,340 and 12,387.94

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Solution

The fourth proportional to 43,552.69, 65,340 and 12,387.94 is: 18,585.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,552.69 : 65,340 = 12,387.94 : x
  2. Step 2: Convert to fraction form
    43,552.69/65,340 = 12,387.94/x
  3. Step 3: Cross multiply
    43,552.69x = 65,340 × 12,387.94
  4. Step 4: Simplify right side
    43,552.69x = 809,427,836.25
  5. Step 5: Solve for x
    x = 809,427,836.25/43,552.69
  6. Step 6: Final answer
    x = 18,585.03

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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.