Home / 40,100.82-55,352.96-23,111.85

Finding the Fourth Proportional to 40,100.82, 55,352.96 and 23,111.85

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Solution

The fourth proportional to 40,100.82, 55,352.96 and 23,111.85 is: 31,902.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,100.82 : 55,352.96 = 23,111.85 : x
  2. Step 2: Convert to fraction form
    40,100.82/55,352.96 = 23,111.85/x
  3. Step 3: Cross multiply
    40,100.82x = 55,352.96 × 23,111.85
  4. Step 4: Simplify right side
    40,100.82x = 1,279,309,366.36
  5. Step 5: Solve for x
    x = 1,279,309,366.36/40,100.82
  6. Step 6: Final answer
    x = 31,902.32

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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.