Home / 31,498.80-43,468.44-17,351.28

Finding the Fourth Proportional to 31,498.80, 43,468.44 and 17,351.28

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Solution

The fourth proportional to 31,498.80, 43,468.44 and 17,351.28 is: 23,944.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,498.80 : 43,468.44 = 17,351.28 : x
  2. Step 2: Convert to fraction form
    31,498.80/43,468.44 = 17,351.28/x
  3. Step 3: Cross multiply
    31,498.80x = 43,468.44 × 17,351.28
  4. Step 4: Simplify right side
    31,498.80x = 754,233,073.60
  5. Step 5: Solve for x
    x = 754,233,073.60/31,498.80
  6. Step 6: Final answer
    x = 23,944.82

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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.