Home / 41,768.16-57,640.80-22,905.12

Finding the Fourth Proportional to 41,768.16, 57,640.80 and 22,905.12

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Solution

The fourth proportional to 41,768.16, 57,640.80 and 22,905.12 is: 31,609.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,768.16 : 57,640.80 = 22,905.12 : x
  2. Step 2: Convert to fraction form
    41,768.16/57,640.80 = 22,905.12/x
  3. Step 3: Cross multiply
    41,768.16x = 57,640.80 × 22,905.12
  4. Step 4: Simplify right side
    41,768.16x = 1,320,269,440.90
  5. Step 5: Solve for x
    x = 1,320,269,440.90/41,768.16
  6. Step 6: Final answer
    x = 31,609.47

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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.