Home / 43,869.72-65,813.46-14,279.61

Finding the Fourth Proportional to 43,869.72, 65,813.46 and 14,279.61

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Solution

The fourth proportional to 43,869.72, 65,813.46 and 14,279.61 is: 21,422.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,869.72 : 65,813.46 = 14,279.61 : x
  2. Step 2: Convert to fraction form
    43,869.72/65,813.46 = 14,279.61/x
  3. Step 3: Cross multiply
    43,869.72x = 65,813.46 × 14,279.61
  4. Step 4: Simplify right side
    43,869.72x = 939,790,541.55
  5. Step 5: Solve for x
    x = 939,790,541.55/43,869.72
  6. Step 6: Final answer
    x = 21,422.31

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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.