Home / 43,938.20-65,860.77-14,348.09

Finding the Fourth Proportional to 43,938.20, 65,860.77 and 14,348.09

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Solution

The fourth proportional to 43,938.20, 65,860.77 and 14,348.09 is: 21,506.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,938.20 : 65,860.77 = 14,348.09 : x
  2. Step 2: Convert to fraction form
    43,938.20/65,860.77 = 14,348.09/x
  3. Step 3: Cross multiply
    43,938.20x = 65,860.77 × 14,348.09
  4. Step 4: Simplify right side
    43,938.20x = 944,976,255.43
  5. Step 5: Solve for x
    x = 944,976,255.43/43,938.20
  6. Step 6: Final answer
    x = 21,506.94

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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.