Home / 40,383.82-55,684.92-27,639.01

Finding the Fourth Proportional to 40,383.82, 55,684.92 and 27,639.01

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Solution

The fourth proportional to 40,383.82, 55,684.92 and 27,639.01 is: 38,111.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,383.82 : 55,684.92 = 27,639.01 : x
  2. Step 2: Convert to fraction form
    40,383.82/55,684.92 = 27,639.01/x
  3. Step 3: Cross multiply
    40,383.82x = 55,684.92 × 27,639.01
  4. Step 4: Simplify right side
    40,383.82x = 1,539,076,060.73
  5. Step 5: Solve for x
    x = 1,539,076,060.73/40,383.82
  6. Step 6: Final answer
    x = 38,111.21

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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.