Home / 40,383.32-55,684.23-27,638.51

Finding the Fourth Proportional to 40,383.32, 55,684.23 and 27,638.51

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Solution

The fourth proportional to 40,383.32, 55,684.23 and 27,638.51 is: 38,110.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,383.32 : 55,684.23 = 27,638.51 : x
  2. Step 2: Convert to fraction form
    40,383.32/55,684.23 = 27,638.51/x
  3. Step 3: Cross multiply
    40,383.32x = 55,684.23 × 27,638.51
  4. Step 4: Simplify right side
    40,383.32x = 1,539,029,147.70
  5. Step 5: Solve for x
    x = 1,539,029,147.70/40,383.32
  6. Step 6: Final answer
    x = 38,110.52

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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.