Home / 31,251.83-43,128.62-17,104.68

Finding the Fourth Proportional to 31,251.83, 43,128.62 and 17,104.68

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Solution

The fourth proportional to 31,251.83, 43,128.62 and 17,104.68 is: 23,605.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,251.83 : 43,128.62 = 17,104.68 : x
  2. Step 2: Convert to fraction form
    31,251.83/43,128.62 = 17,104.68/x
  3. Step 3: Cross multiply
    31,251.83x = 43,128.62 × 17,104.68
  4. Step 4: Simplify right side
    31,251.83x = 737,701,158.42
  5. Step 5: Solve for x
    x = 737,701,158.42/31,251.83
  6. Step 6: Final answer
    x = 23,605.06

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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.