Home / 41,791.20-57,672-22,928.64

Finding the Fourth Proportional to 41,791.20, 57,672 and 22,928.64

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Solution

The fourth proportional to 41,791.20, 57,672 and 22,928.64 is: 31,641.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,791.20 : 57,672 = 22,928.64 : x
  2. Step 2: Convert to fraction form
    41,791.20/57,672 = 22,928.64/x
  3. Step 3: Cross multiply
    41,791.20x = 57,672 × 22,928.64
  4. Step 4: Simplify right side
    41,791.20x = 1,322,340,526.08
  5. Step 5: Solve for x
    x = 1,322,340,526.08/41,791.20
  6. Step 6: Final answer
    x = 31,641.60

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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.