Home / 40,564.20-60,846.30-28,122.60

Finding the Fourth Proportional to 40,564.20, 60,846.30 and 28,122.60

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Solution

The fourth proportional to 40,564.20, 60,846.30 and 28,122.60 is: 42,183.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,564.20 : 60,846.30 = 28,122.60 : x
  2. Step 2: Convert to fraction form
    40,564.20/60,846.30 = 28,122.60/x
  3. Step 3: Cross multiply
    40,564.20x = 60,846.30 × 28,122.60
  4. Step 4: Simplify right side
    40,564.20x = 1,711,156,156.38
  5. Step 5: Solve for x
    x = 1,711,156,156.38/40,564.20
  6. Step 6: Final answer
    x = 42,183.90

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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.