Home / 31,723.21-43,780.68-17,577.37

Finding the Fourth Proportional to 31,723.21, 43,780.68 and 17,577.37

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Solution

The fourth proportional to 31,723.21, 43,780.68 and 17,577.37 is: 24,258.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,723.21 : 43,780.68 = 17,577.37 : x
  2. Step 2: Convert to fraction form
    31,723.21/43,780.68 = 17,577.37/x
  3. Step 3: Cross multiply
    31,723.21x = 43,780.68 × 17,577.37
  4. Step 4: Simplify right side
    31,723.21x = 769,549,211.21
  5. Step 5: Solve for x
    x = 769,549,211.21/31,723.21
  6. Step 6: Final answer
    x = 24,258.24

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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.