Home / 40,076.20-55,295.22-25,912

Finding the Fourth Proportional to 40,076.20, 55,295.22 and 25,912

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Solution

The fourth proportional to 40,076.20, 55,295.22 and 25,912 is: 35,752.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,076.20 : 55,295.22 = 25,912 : x
  2. Step 2: Convert to fraction form
    40,076.20/55,295.22 = 25,912/x
  3. Step 3: Cross multiply
    40,076.20x = 55,295.22 × 25,912
  4. Step 4: Simplify right side
    40,076.20x = 1,432,809,740.64
  5. Step 5: Solve for x
    x = 1,432,809,740.64/40,076.20
  6. Step 6: Final answer
    x = 35,752.14

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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.