Home / 43,461.76-65,204.48-18,503.04

Finding the Fourth Proportional to 43,461.76, 65,204.48 and 18,503.04

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Solution

The fourth proportional to 43,461.76, 65,204.48 and 18,503.04 is: 27,759.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,461.76 : 65,204.48 = 18,503.04 : x
  2. Step 2: Convert to fraction form
    43,461.76/65,204.48 = 18,503.04/x
  3. Step 3: Cross multiply
    43,461.76x = 65,204.48 × 18,503.04
  4. Step 4: Simplify right side
    43,461.76x = 1,206,481,101.62
  5. Step 5: Solve for x
    x = 1,206,481,101.62/43,461.76
  6. Step 6: Final answer
    x = 27,759.60

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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.