Home / 31,448.88-43,399.20-17,301.44

Finding the Fourth Proportional to 31,448.88, 43,399.20 and 17,301.44

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Solution

The fourth proportional to 31,448.88, 43,399.20 and 17,301.44 is: 23,875.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,448.88 : 43,399.20 = 17,301.44 : x
  2. Step 2: Convert to fraction form
    31,448.88/43,399.20 = 17,301.44/x
  3. Step 3: Cross multiply
    31,448.88x = 43,399.20 × 17,301.44
  4. Step 4: Simplify right side
    31,448.88x = 750,868,654.85
  5. Step 5: Solve for x
    x = 750,868,654.85/31,448.88
  6. Step 6: Final answer
    x = 23,875.85

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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.