Home / 43,330.60-65,003.82-13,755.88

Finding the Fourth Proportional to 43,330.60, 65,003.82 and 13,755.88

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Solution

The fourth proportional to 43,330.60, 65,003.82 and 13,755.88 is: 20,636.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,330.60 : 65,003.82 = 13,755.88 : x
  2. Step 2: Convert to fraction form
    43,330.60/65,003.82 = 13,755.88/x
  3. Step 3: Cross multiply
    43,330.60x = 65,003.82 × 13,755.88
  4. Step 4: Simplify right side
    43,330.60x = 894,184,747.46
  5. Step 5: Solve for x
    x = 894,184,747.46/43,330.60
  6. Step 6: Final answer
    x = 20,636.33

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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.