Home / 40,330.11-60,442.61-20,592.03

Finding the Fourth Proportional to 40,330.11, 60,442.61 and 20,592.03

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Solution

The fourth proportional to 40,330.11, 60,442.61 and 20,592.03 is: 30,861.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,330.11 : 60,442.61 = 20,592.03 : x
  2. Step 2: Convert to fraction form
    40,330.11/60,442.61 = 20,592.03/x
  3. Step 3: Cross multiply
    40,330.11x = 60,442.61 × 20,592.03
  4. Step 4: Simplify right side
    40,330.11x = 1,244,635,935.44
  5. Step 5: Solve for x
    x = 1,244,635,935.44/40,330.11
  6. Step 6: Final answer
    x = 30,861.21

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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.