Home / 31,133.43-42,963.92-17,704.68

Finding the Fourth Proportional to 31,133.43, 42,963.92 and 17,704.68

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Solution

The fourth proportional to 31,133.43, 42,963.92 and 17,704.68 is: 24,432.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,133.43 : 42,963.92 = 17,704.68 : x
  2. Step 2: Convert to fraction form
    31,133.43/42,963.92 = 17,704.68/x
  3. Step 3: Cross multiply
    31,133.43x = 42,963.92 × 17,704.68
  4. Step 4: Simplify right side
    31,133.43x = 760,662,366.62
  5. Step 5: Solve for x
    x = 760,662,366.62/31,133.43
  6. Step 6: Final answer
    x = 24,432.33

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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.