Home / 43,690.73-65,550.40-14,108.78

Finding the Fourth Proportional to 43,690.73, 65,550.40 and 14,108.78

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Solution

The fourth proportional to 43,690.73, 65,550.40 and 14,108.78 is: 21,167.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,690.73 : 65,550.40 = 14,108.78 : x
  2. Step 2: Convert to fraction form
    43,690.73/65,550.40 = 14,108.78/x
  3. Step 3: Cross multiply
    43,690.73x = 65,550.40 × 14,108.78
  4. Step 4: Simplify right side
    43,690.73x = 924,836,301.12
  5. Step 5: Solve for x
    x = 924,836,301.12/43,690.73
  6. Step 6: Final answer
    x = 21,167.79

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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.