Home / 51,610.92-71,229.64-30,392.16

Finding the Fourth Proportional to 51,610.92, 71,229.64 and 30,392.16

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Solution

The fourth proportional to 51,610.92, 71,229.64 and 30,392.16 is: 41,945.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,610.92 : 71,229.64 = 30,392.16 : x
  2. Step 2: Convert to fraction form
    51,610.92/71,229.64 = 30,392.16/x
  3. Step 3: Cross multiply
    51,610.92x = 71,229.64 × 30,392.16
  4. Step 4: Simplify right side
    51,610.92x = 2,164,822,615.62
  5. Step 5: Solve for x
    x = 2,164,822,615.62/51,610.92
  6. Step 6: Final answer
    x = 41,945.05

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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.