Home / 29,991.64-45,015.10-28,183.32

Finding the Fourth Proportional to 29,991.64, 45,015.10 and 28,183.32

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Solution

The fourth proportional to 29,991.64, 45,015.10 and 28,183.32 is: 42,300.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,991.64 : 45,015.10 = 28,183.32 : x
  2. Step 2: Convert to fraction form
    29,991.64/45,015.10 = 28,183.32/x
  3. Step 3: Cross multiply
    29,991.64x = 45,015.10 × 28,183.32
  4. Step 4: Simplify right side
    29,991.64x = 1,268,674,968.13
  5. Step 5: Solve for x
    x = 1,268,674,968.13/29,991.64
  6. Step 6: Final answer
    x = 42,300.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.