Home / 31,816.62-43,908.21-17,672.13

Finding the Fourth Proportional to 31,816.62, 43,908.21 and 17,672.13

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Solution

The fourth proportional to 31,816.62, 43,908.21 and 17,672.13 is: 24,388.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,816.62 : 43,908.21 = 17,672.13 : x
  2. Step 2: Convert to fraction form
    31,816.62/43,908.21 = 17,672.13/x
  3. Step 3: Cross multiply
    31,816.62x = 43,908.21 × 17,672.13
  4. Step 4: Simplify right side
    31,816.62x = 775,951,595.19
  5. Step 5: Solve for x
    x = 775,951,595.19/31,816.62
  6. Step 6: Final answer
    x = 24,388.25

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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.