Home / 43,038.97-64,540.20-16,725.71

Finding the Fourth Proportional to 43,038.97, 64,540.20 and 16,725.71

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Solution

The fourth proportional to 43,038.97, 64,540.20 and 16,725.71 is: 25,081.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,038.97 : 64,540.20 = 16,725.71 : x
  2. Step 2: Convert to fraction form
    43,038.97/64,540.20 = 16,725.71/x
  3. Step 3: Cross multiply
    43,038.97x = 64,540.20 × 16,725.71
  4. Step 4: Simplify right side
    43,038.97x = 1,079,480,668.54
  5. Step 5: Solve for x
    x = 1,079,480,668.54/43,038.97
  6. Step 6: Final answer
    x = 25,081.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.