Home / 31,380.59-43,305.50-17,233.54

Finding the Fourth Proportional to 31,380.59, 43,305.50 and 17,233.54

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Solution

The fourth proportional to 31,380.59, 43,305.50 and 17,233.54 is: 23,782.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,380.59 : 43,305.50 = 17,233.54 : x
  2. Step 2: Convert to fraction form
    31,380.59/43,305.50 = 17,233.54/x
  3. Step 3: Cross multiply
    31,380.59x = 43,305.50 × 17,233.54
  4. Step 4: Simplify right side
    31,380.59x = 746,307,066.47
  5. Step 5: Solve for x
    x = 746,307,066.47/31,380.59
  6. Step 6: Final answer
    x = 23,782.44

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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.