Home / 31,942.82-47,924.82-14,171.05

Finding the Fourth Proportional to 31,942.82, 47,924.82 and 14,171.05

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Solution

The fourth proportional to 31,942.82, 47,924.82 and 14,171.05 is: 21,261.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,942.82 : 47,924.82 = 14,171.05 : x
  2. Step 2: Convert to fraction form
    31,942.82/47,924.82 = 14,171.05/x
  3. Step 3: Cross multiply
    31,942.82x = 47,924.82 × 14,171.05
  4. Step 4: Simplify right side
    31,942.82x = 679,145,020.46
  5. Step 5: Solve for x
    x = 679,145,020.46/31,942.82
  6. Step 6: Final answer
    x = 21,261.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.