Home / 31,828.05-43,923.46-17,487.75

Finding the Fourth Proportional to 31,828.05, 43,923.46 and 17,487.75

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Solution

The fourth proportional to 31,828.05, 43,923.46 and 17,487.75 is: 24,133.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,828.05 : 43,923.46 = 17,487.75 : x
  2. Step 2: Convert to fraction form
    31,828.05/43,923.46 = 17,487.75/x
  3. Step 3: Cross multiply
    31,828.05x = 43,923.46 × 17,487.75
  4. Step 4: Simplify right side
    31,828.05x = 768,122,394.33
  5. Step 5: Solve for x
    x = 768,122,394.33/31,828.05
  6. Step 6: Final answer
    x = 24,133.50

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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.