Home / 31,305.68-43,199.88-17,157.52

Finding the Fourth Proportional to 31,305.68, 43,199.88 and 17,157.52

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Solution

The fourth proportional to 31,305.68, 43,199.88 and 17,157.52 is: 23,676.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,305.68 : 43,199.88 = 17,157.52 : x
  2. Step 2: Convert to fraction form
    31,305.68/43,199.88 = 17,157.52/x
  3. Step 3: Cross multiply
    31,305.68x = 43,199.88 × 17,157.52
  4. Step 4: Simplify right side
    31,305.68x = 741,202,805.10
  5. Step 5: Solve for x
    x = 741,202,805.10/31,305.68
  6. Step 6: Final answer
    x = 23,676.30

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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.