Home / 43,918.44-65,877.68-10,638.53

Finding the Fourth Proportional to 43,918.44, 65,877.68 and 10,638.53

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Solution

The fourth proportional to 43,918.44, 65,877.68 and 10,638.53 is: 15,957.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,918.44 : 65,877.68 = 10,638.53 : x
  2. Step 2: Convert to fraction form
    43,918.44/65,877.68 = 10,638.53/x
  3. Step 3: Cross multiply
    43,918.44x = 65,877.68 × 10,638.53
  4. Step 4: Simplify right side
    43,918.44x = 700,841,866.30
  5. Step 5: Solve for x
    x = 700,841,866.30/43,918.44
  6. Step 6: Final answer
    x = 15,957.80

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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.