Home / 43,938.20-65,860.76-14,348.10

Finding the Fourth Proportional to 43,938.20, 65,860.76 and 14,348.10

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Solution

The fourth proportional to 43,938.20, 65,860.76 and 14,348.10 is: 21,506.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,938.20 : 65,860.76 = 14,348.10 : x
  2. Step 2: Convert to fraction form
    43,938.20/65,860.76 = 14,348.10/x
  3. Step 3: Cross multiply
    43,938.20x = 65,860.76 × 14,348.10
  4. Step 4: Simplify right side
    43,938.20x = 944,976,770.56
  5. Step 5: Solve for x
    x = 944,976,770.56/43,938.20
  6. Step 6: Final answer
    x = 21,506.95

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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.