Home / 31,361.46-43,280.13-17,932.71

Finding the Fourth Proportional to 31,361.46, 43,280.13 and 17,932.71

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Solution

The fourth proportional to 31,361.46, 43,280.13 and 17,932.71 is: 24,747.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,361.46 : 43,280.13 = 17,932.71 : x
  2. Step 2: Convert to fraction form
    31,361.46/43,280.13 = 17,932.71/x
  3. Step 3: Cross multiply
    31,361.46x = 43,280.13 × 17,932.71
  4. Step 4: Simplify right side
    31,361.46x = 776,129,930.39
  5. Step 5: Solve for x
    x = 776,129,930.39/31,361.46
  6. Step 6: Final answer
    x = 24,747.89

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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.