Home / 44,421.60-66,623.68-12,829.44

Finding the Fourth Proportional to 44,421.60, 66,623.68 and 12,829.44

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Solution

The fourth proportional to 44,421.60, 66,623.68 and 12,829.44 is: 19,241.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,421.60 : 66,623.68 = 12,829.44 : x
  2. Step 2: Convert to fraction form
    44,421.60/66,623.68 = 12,829.44/x
  3. Step 3: Cross multiply
    44,421.60x = 66,623.68 × 12,829.44
  4. Step 4: Simplify right side
    44,421.60x = 854,744,505.14
  5. Step 5: Solve for x
    x = 854,744,505.14/44,421.60
  6. Step 6: Final answer
    x = 19,241.64

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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.