Home / 31,479.44-43,440.03-17,331.98

Finding the Fourth Proportional to 31,479.44, 43,440.03 and 17,331.98

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Solution

The fourth proportional to 31,479.44, 43,440.03 and 17,331.98 is: 23,917.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,479.44 : 43,440.03 = 17,331.98 : x
  2. Step 2: Convert to fraction form
    31,479.44/43,440.03 = 17,331.98/x
  3. Step 3: Cross multiply
    31,479.44x = 43,440.03 × 17,331.98
  4. Step 4: Simplify right side
    31,479.44x = 752,901,513.96
  5. Step 5: Solve for x
    x = 752,901,513.96/31,479.44
  6. Step 6: Final answer
    x = 23,917.25

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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.