Home / 31,535.26-43,518.54-17,388.88

Finding the Fourth Proportional to 31,535.26, 43,518.54 and 17,388.88

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Solution

The fourth proportional to 31,535.26, 43,518.54 and 17,388.88 is: 23,996.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,535.26 : 43,518.54 = 17,388.88 : x
  2. Step 2: Convert to fraction form
    31,535.26/43,518.54 = 17,388.88/x
  3. Step 3: Cross multiply
    31,535.26x = 43,518.54 × 17,388.88
  4. Step 4: Simplify right side
    31,535.26x = 756,738,669.84
  5. Step 5: Solve for x
    x = 756,738,669.84/31,535.26
  6. Step 6: Final answer
    x = 23,996.59

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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.