Home / 40,139.24-60,189-23,503.46

Finding the Fourth Proportional to 40,139.24, 60,189 and 23,503.46

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Solution

The fourth proportional to 40,139.24, 60,189 and 23,503.46 is: 35,243.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,139.24 : 60,189 = 23,503.46 : x
  2. Step 2: Convert to fraction form
    40,139.24/60,189 = 23,503.46/x
  3. Step 3: Cross multiply
    40,139.24x = 60,189 × 23,503.46
  4. Step 4: Simplify right side
    40,139.24x = 1,414,649,753.94
  5. Step 5: Solve for x
    x = 1,414,649,753.94/40,139.24
  6. Step 6: Final answer
    x = 35,243.56

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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.