Home / 40,517.50-55,912.70-22,615.56

Finding the Fourth Proportional to 40,517.50, 55,912.70 and 22,615.56

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Solution

The fourth proportional to 40,517.50, 55,912.70 and 22,615.56 is: 31,208.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,517.50 : 55,912.70 = 22,615.56 : x
  2. Step 2: Convert to fraction form
    40,517.50/55,912.70 = 22,615.56/x
  3. Step 3: Cross multiply
    40,517.50x = 55,912.70 × 22,615.56
  4. Step 4: Simplify right side
    40,517.50x = 1,264,497,021.61
  5. Step 5: Solve for x
    x = 1,264,497,021.61/40,517.50
  6. Step 6: Final answer
    x = 31,208.66

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1.5x scale

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.