Home / 34,181.40-47,169.18-20,043.60

Finding the Fourth Proportional to 34,181.40, 47,169.18 and 20,043.60

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Solution

The fourth proportional to 34,181.40, 47,169.18 and 20,043.60 is: 27,659.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,181.40 : 47,169.18 = 20,043.60 : x
  2. Step 2: Convert to fraction form
    34,181.40/47,169.18 = 20,043.60/x
  3. Step 3: Cross multiply
    34,181.40x = 47,169.18 × 20,043.60
  4. Step 4: Simplify right side
    34,181.40x = 945,440,176.25
  5. Step 5: Solve for x
    x = 945,440,176.25/34,181.40
  6. Step 6: Final answer
    x = 27,659.49

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.