Home / 40,208.77-55,469.91-25,105.20

Finding the Fourth Proportional to 40,208.77, 55,469.91 and 25,105.20

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Solution

The fourth proportional to 40,208.77, 55,469.91 and 25,105.20 is: 34,633.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,208.77 : 55,469.91 = 25,105.20 : x
  2. Step 2: Convert to fraction form
    40,208.77/55,469.91 = 25,105.20/x
  3. Step 3: Cross multiply
    40,208.77x = 55,469.91 × 25,105.20
  4. Step 4: Simplify right side
    40,208.77x = 1,392,583,184.53
  5. Step 5: Solve for x
    x = 1,392,583,184.53/40,208.77
  6. Step 6: Final answer
    x = 34,633.82

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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.