Home / 41,420.21-57,161.10-22,558.55

Finding the Fourth Proportional to 41,420.21, 57,161.10 and 22,558.55

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Solution

The fourth proportional to 41,420.21, 57,161.10 and 22,558.55 is: 31,131.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,420.21 : 57,161.10 = 22,558.55 : x
  2. Step 2: Convert to fraction form
    41,420.21/57,161.10 = 22,558.55/x
  3. Step 3: Cross multiply
    41,420.21x = 57,161.10 × 22,558.55
  4. Step 4: Simplify right side
    41,420.21x = 1,289,471,532.41
  5. Step 5: Solve for x
    x = 1,289,471,532.41/41,420.21
  6. Step 6: Final answer
    x = 31,131.46

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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.