Home / 41,982-57,933.80-23,118.64

Finding the Fourth Proportional to 41,982, 57,933.80 and 23,118.64

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Solution

The fourth proportional to 41,982, 57,933.80 and 23,118.64 is: 31,902.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,982 : 57,933.80 = 23,118.64 : x
  2. Step 2: Convert to fraction form
    41,982/57,933.80 = 23,118.64/x
  3. Step 3: Cross multiply
    41,982x = 57,933.80 × 23,118.64
  4. Step 4: Simplify right side
    41,982x = 1,339,350,666.03
  5. Step 5: Solve for x
    x = 1,339,350,666.03/41,982
  6. Step 6: Final answer
    x = 31,902.97

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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.