Home / 29,164.85-43,710.36-18,630.80

Finding the Fourth Proportional to 29,164.85, 43,710.36 and 18,630.80

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Solution

The fourth proportional to 29,164.85, 43,710.36 and 18,630.80 is: 27,922.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,164.85 : 43,710.36 = 18,630.80 : x
  2. Step 2: Convert to fraction form
    29,164.85/43,710.36 = 18,630.80/x
  3. Step 3: Cross multiply
    29,164.85x = 43,710.36 × 18,630.80
  4. Step 4: Simplify right side
    29,164.85x = 814,358,756.54
  5. Step 5: Solve for x
    x = 814,358,756.54/29,164.85
  6. Step 6: Final answer
    x = 27,922.62

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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.