Home / 40,144.88-55,462.92-27,636.32

Finding the Fourth Proportional to 40,144.88, 55,462.92 and 27,636.32

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Solution

The fourth proportional to 40,144.88, 55,462.92 and 27,636.32 is: 38,181.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,144.88 : 55,462.92 = 27,636.32 : x
  2. Step 2: Convert to fraction form
    40,144.88/55,462.92 = 27,636.32/x
  3. Step 3: Cross multiply
    40,144.88x = 55,462.92 × 27,636.32
  4. Step 4: Simplify right side
    40,144.88x = 1,532,791,005.25
  5. Step 5: Solve for x
    x = 1,532,791,005.25/40,144.88
  6. Step 6: Final answer
    x = 38,181.48

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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.