Home / 31,731.68-43,785.14-17,584.49

Finding the Fourth Proportional to 31,731.68, 43,785.14 and 17,584.49

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Solution

The fourth proportional to 31,731.68, 43,785.14 and 17,584.49 is: 24,264.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,731.68 : 43,785.14 = 17,584.49 : x
  2. Step 2: Convert to fraction form
    31,731.68/43,785.14 = 17,584.49/x
  3. Step 3: Cross multiply
    31,731.68x = 43,785.14 × 17,584.49
  4. Step 4: Simplify right side
    31,731.68x = 769,939,049.63
  5. Step 5: Solve for x
    x = 769,939,049.63/31,731.68
  6. Step 6: Final answer
    x = 24,264.05

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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.