Home / 31,392.24-43,310.16-17,953.68

Finding the Fourth Proportional to 31,392.24, 43,310.16 and 17,953.68

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Solution

The fourth proportional to 31,392.24, 43,310.16 and 17,953.68 is: 24,769.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,392.24 : 43,310.16 = 17,953.68 : x
  2. Step 2: Convert to fraction form
    31,392.24/43,310.16 = 17,953.68/x
  3. Step 3: Cross multiply
    31,392.24x = 43,310.16 × 17,953.68
  4. Step 4: Simplify right side
    31,392.24x = 777,576,753.39
  5. Step 5: Solve for x
    x = 777,576,753.39/31,392.24
  6. Step 6: Final answer
    x = 24,769.71

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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.