Home / 31,876.64-43,993.04-17,732.96

Finding the Fourth Proportional to 31,876.64, 43,993.04 and 17,732.96

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Solution

The fourth proportional to 31,876.64, 43,993.04 and 17,732.96 is: 24,473.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,876.64 : 43,993.04 = 17,732.96 : x
  2. Step 2: Convert to fraction form
    31,876.64/43,993.04 = 17,732.96/x
  3. Step 3: Cross multiply
    31,876.64x = 43,993.04 × 17,732.96
  4. Step 4: Simplify right side
    31,876.64x = 780,126,818.60
  5. Step 5: Solve for x
    x = 780,126,818.60/31,876.64
  6. Step 6: Final answer
    x = 24,473.31

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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.