Home / 43,579.26-65,379.78-12,414.51

Finding the Fourth Proportional to 43,579.26, 65,379.78 and 12,414.51

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Solution

The fourth proportional to 43,579.26, 65,379.78 and 12,414.51 is: 18,624.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,579.26 : 65,379.78 = 12,414.51 : x
  2. Step 2: Convert to fraction form
    43,579.26/65,379.78 = 12,414.51/x
  3. Step 3: Cross multiply
    43,579.26x = 65,379.78 × 12,414.51
  4. Step 4: Simplify right side
    43,579.26x = 811,657,932.61
  5. Step 5: Solve for x
    x = 811,657,932.61/43,579.26
  6. Step 6: Final answer
    x = 18,624.87

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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.