Home / 30,568.64-42,183.24-17,141.36

Finding the Fourth Proportional to 30,568.64, 42,183.24 and 17,141.36

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Solution

The fourth proportional to 30,568.64, 42,183.24 and 17,141.36 is: 23,654.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,568.64 : 42,183.24 = 17,141.36 : x
  2. Step 2: Convert to fraction form
    30,568.64/42,183.24 = 17,141.36/x
  3. Step 3: Cross multiply
    30,568.64x = 42,183.24 × 17,141.36
  4. Step 4: Simplify right side
    30,568.64x = 723,078,102.81
  5. Step 5: Solve for x
    x = 723,078,102.81/30,568.64
  6. Step 6: Final answer
    x = 23,654.25

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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.