Home / 31,351.35-43,263.54-17,203.28

Finding the Fourth Proportional to 31,351.35, 43,263.54 and 17,203.28

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Solution

The fourth proportional to 31,351.35, 43,263.54 and 17,203.28 is: 23,739.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,351.35 : 43,263.54 = 17,203.28 : x
  2. Step 2: Convert to fraction form
    31,351.35/43,263.54 = 17,203.28/x
  3. Step 3: Cross multiply
    31,351.35x = 43,263.54 × 17,203.28
  4. Step 4: Simplify right side
    31,351.35x = 744,274,900.57
  5. Step 5: Solve for x
    x = 744,274,900.57/31,351.35
  6. Step 6: Final answer
    x = 23,739.80

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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.