Home / 40,116.60-55,372.68-28,183.14

Finding the Fourth Proportional to 40,116.60, 55,372.68 and 28,183.14

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Solution

The fourth proportional to 40,116.60, 55,372.68 and 28,183.14 is: 38,901.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,116.60 : 55,372.68 = 28,183.14 : x
  2. Step 2: Convert to fraction form
    40,116.60/55,372.68 = 28,183.14/x
  3. Step 3: Cross multiply
    40,116.60x = 55,372.68 × 28,183.14
  4. Step 4: Simplify right side
    40,116.60x = 1,560,575,992.62
  5. Step 5: Solve for x
    x = 1,560,575,992.62/40,116.60
  6. Step 6: Final answer
    x = 38,901.00

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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.