Home / 29,687.40-44,556.30-12,169.80

Finding the Fourth Proportional to 29,687.40, 44,556.30 and 12,169.80

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Solution

The fourth proportional to 29,687.40, 44,556.30 and 12,169.80 is: 18,265.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,687.40 : 44,556.30 = 12,169.80 : x
  2. Step 2: Convert to fraction form
    29,687.40/44,556.30 = 12,169.80/x
  3. Step 3: Cross multiply
    29,687.40x = 44,556.30 × 12,169.80
  4. Step 4: Simplify right side
    29,687.40x = 542,241,259.74
  5. Step 5: Solve for x
    x = 542,241,259.74/29,687.40
  6. Step 6: Final answer
    x = 18,265.03

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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.