Home / 40,178.16-55,448.55-23,185.44

Finding the Fourth Proportional to 40,178.16, 55,448.55 and 23,185.44

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Solution

The fourth proportional to 40,178.16, 55,448.55 and 23,185.44 is: 31,997.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,178.16 : 55,448.55 = 23,185.44 : x
  2. Step 2: Convert to fraction form
    40,178.16/55,448.55 = 23,185.44/x
  3. Step 3: Cross multiply
    40,178.16x = 55,448.55 × 23,185.44
  4. Step 4: Simplify right side
    40,178.16x = 1,285,599,029.11
  5. Step 5: Solve for x
    x = 1,285,599,029.11/40,178.16
  6. Step 6: Final answer
    x = 31,997.46

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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.