Home / 44,712.40-67,044.30-18,419.80

Finding the Fourth Proportional to 44,712.40, 67,044.30 and 18,419.80

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Solution

The fourth proportional to 44,712.40, 67,044.30 and 18,419.80 is: 27,619.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,712.40 : 67,044.30 = 18,419.80 : x
  2. Step 2: Convert to fraction form
    44,712.40/67,044.30 = 18,419.80/x
  3. Step 3: Cross multiply
    44,712.40x = 67,044.30 × 18,419.80
  4. Step 4: Simplify right side
    44,712.40x = 1,234,942,597.14
  5. Step 5: Solve for x
    x = 1,234,942,597.14/44,712.40
  6. Step 6: Final answer
    x = 27,619.69

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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.