Home / 31,551.30-43,538.79-17,404.23

Finding the Fourth Proportional to 31,551.30, 43,538.79 and 17,404.23

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Solution

The fourth proportional to 31,551.30, 43,538.79 and 17,404.23 is: 24,016.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,551.30 : 43,538.79 = 17,404.23 : x
  2. Step 2: Convert to fraction form
    31,551.30/43,538.79 = 17,404.23/x
  3. Step 3: Cross multiply
    31,551.30x = 43,538.79 × 17,404.23
  4. Step 4: Simplify right side
    31,551.30x = 757,759,115.08
  5. Step 5: Solve for x
    x = 757,759,115.08/31,551.30
  6. Step 6: Final answer
    x = 24,016.73

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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.