Home / 31,265.52-43,147.44-17,118.66

Finding the Fourth Proportional to 31,265.52, 43,147.44 and 17,118.66

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Solution

The fourth proportional to 31,265.52, 43,147.44 and 17,118.66 is: 23,624.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,265.52 : 43,147.44 = 17,118.66 : x
  2. Step 2: Convert to fraction form
    31,265.52/43,147.44 = 17,118.66/x
  3. Step 3: Cross multiply
    31,265.52x = 43,147.44 × 17,118.66
  4. Step 4: Simplify right side
    31,265.52x = 738,626,355.23
  5. Step 5: Solve for x
    x = 738,626,355.23/31,265.52
  6. Step 6: Final answer
    x = 23,624.31

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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.