Home / 31,724.32-43,780.08-17,577.76

Finding the Fourth Proportional to 31,724.32, 43,780.08 and 17,577.76

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Solution

The fourth proportional to 31,724.32, 43,780.08 and 17,577.76 is: 24,257.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,724.32 : 43,780.08 = 17,577.76 : x
  2. Step 2: Convert to fraction form
    31,724.32/43,780.08 = 17,577.76/x
  3. Step 3: Cross multiply
    31,724.32x = 43,780.08 × 17,577.76
  4. Step 4: Simplify right side
    31,724.32x = 769,555,739.02
  5. Step 5: Solve for x
    x = 769,555,739.02/31,724.32
  6. Step 6: Final answer
    x = 24,257.60

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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.