Home / 43,824.25-65,783.18-18,876.66

Finding the Fourth Proportional to 43,824.25, 65,783.18 and 18,876.66

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Solution

The fourth proportional to 43,824.25, 65,783.18 and 18,876.66 is: 28,335.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,824.25 : 65,783.18 = 18,876.66 : x
  2. Step 2: Convert to fraction form
    43,824.25/65,783.18 = 18,876.66/x
  3. Step 3: Cross multiply
    43,824.25x = 65,783.18 × 18,876.66
  4. Step 4: Simplify right side
    43,824.25x = 1,241,766,722.58
  5. Step 5: Solve for x
    x = 1,241,766,722.58/43,824.25
  6. Step 6: Final answer
    x = 28,335.15

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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.