Home / 31,118.01-46,672.42-11,391.97

Finding the Fourth Proportional to 31,118.01, 46,672.42 and 11,391.97

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Solution

The fourth proportional to 31,118.01, 46,672.42 and 11,391.97 is: 17,086.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,118.01 : 46,672.42 = 11,391.97 : x
  2. Step 2: Convert to fraction form
    31,118.01/46,672.42 = 11,391.97/x
  3. Step 3: Cross multiply
    31,118.01x = 46,672.42 × 11,391.97
  4. Step 4: Simplify right side
    31,118.01x = 531,690,808.47
  5. Step 5: Solve for x
    x = 531,690,808.47/31,118.01
  6. Step 6: Final answer
    x = 17,086.27

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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.