Home / 31,664.28-43,693.74-17,516.64

Finding the Fourth Proportional to 31,664.28, 43,693.74 and 17,516.64

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Solution

The fourth proportional to 31,664.28, 43,693.74 and 17,516.64 is: 24,171.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,664.28 : 43,693.74 = 17,516.64 : x
  2. Step 2: Convert to fraction form
    31,664.28/43,693.74 = 17,516.64/x
  3. Step 3: Cross multiply
    31,664.28x = 43,693.74 × 17,516.64
  4. Step 4: Simplify right side
    31,664.28x = 765,367,513.83
  5. Step 5: Solve for x
    x = 765,367,513.83/31,664.28
  6. Step 6: Final answer
    x = 24,171.32

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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.