Home / 40,101.97-55,346.54-23,102.90

Finding the Fourth Proportional to 40,101.97, 55,346.54 and 23,102.90

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Solution

The fourth proportional to 40,101.97, 55,346.54 and 23,102.90 is: 31,885.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,101.97 : 55,346.54 = 23,102.90 : x
  2. Step 2: Convert to fraction form
    40,101.97/55,346.54 = 23,102.90/x
  3. Step 3: Cross multiply
    40,101.97x = 55,346.54 × 23,102.90
  4. Step 4: Simplify right side
    40,101.97x = 1,278,665,578.97
  5. Step 5: Solve for x
    x = 1,278,665,578.97/40,101.97
  6. Step 6: Final answer
    x = 31,885.36

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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.