Home / 43,669.86-65,504.58-12,505.14

Finding the Fourth Proportional to 43,669.86, 65,504.58 and 12,505.14

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Solution

The fourth proportional to 43,669.86, 65,504.58 and 12,505.14 is: 18,757.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,669.86 : 65,504.58 = 12,505.14 : x
  2. Step 2: Convert to fraction form
    43,669.86/65,504.58 = 12,505.14/x
  3. Step 3: Cross multiply
    43,669.86x = 65,504.58 × 12,505.14
  4. Step 4: Simplify right side
    43,669.86x = 819,143,943.54
  5. Step 5: Solve for x
    x = 819,143,943.54/43,669.86
  6. Step 6: Final answer
    x = 18,757.65

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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.