Home / 40,107.63-55,349.82-23,110.56

Finding the Fourth Proportional to 40,107.63, 55,349.82 and 23,110.56

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Solution

The fourth proportional to 40,107.63, 55,349.82 and 23,110.56 is: 31,893.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,107.63 : 55,349.82 = 23,110.56 : x
  2. Step 2: Convert to fraction form
    40,107.63/55,349.82 = 23,110.56/x
  3. Step 3: Cross multiply
    40,107.63x = 55,349.82 × 23,110.56
  4. Step 4: Simplify right side
    40,107.63x = 1,279,165,336.10
  5. Step 5: Solve for x
    x = 1,279,165,336.10/40,107.63
  6. Step 6: Final answer
    x = 31,893.32

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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.