Home / 31,817.58-43,890.57-29,564.97

Finding the Fourth Proportional to 31,817.58, 43,890.57 and 29,564.97

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Solution

The fourth proportional to 31,817.58, 43,890.57 and 29,564.97 is: 40,783.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,817.58 : 43,890.57 = 29,564.97 : x
  2. Step 2: Convert to fraction form
    31,817.58/43,890.57 = 29,564.97/x
  3. Step 3: Cross multiply
    31,817.58x = 43,890.57 × 29,564.97
  4. Step 4: Simplify right side
    31,817.58x = 1,297,623,385.33
  5. Step 5: Solve for x
    x = 1,297,623,385.33/31,817.58
  6. Step 6: Final answer
    x = 40,783.22

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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.