Home / 31,481.16-43,443.54-17,333.64

Finding the Fourth Proportional to 31,481.16, 43,443.54 and 17,333.64

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Solution

The fourth proportional to 31,481.16, 43,443.54 and 17,333.64 is: 23,920.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,481.16 : 43,443.54 = 17,333.64 : x
  2. Step 2: Convert to fraction form
    31,481.16/43,443.54 = 17,333.64/x
  3. Step 3: Cross multiply
    31,481.16x = 43,443.54 × 17,333.64
  4. Step 4: Simplify right side
    31,481.16x = 753,034,682.69
  5. Step 5: Solve for x
    x = 753,034,682.69/31,481.16
  6. Step 6: Final answer
    x = 23,920.17

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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.