Home / 31,535.09-43,517.87-17,195.03

Finding the Fourth Proportional to 31,535.09, 43,517.87 and 17,195.03

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Solution

The fourth proportional to 31,535.09, 43,517.87 and 17,195.03 is: 23,728.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,535.09 : 43,517.87 = 17,195.03 : x
  2. Step 2: Convert to fraction form
    31,535.09/43,517.87 = 17,195.03/x
  3. Step 3: Cross multiply
    31,535.09x = 43,517.87 × 17,195.03
  4. Step 4: Simplify right side
    31,535.09x = 748,291,103.01
  5. Step 5: Solve for x
    x = 748,291,103.01/31,535.09
  6. Step 6: Final answer
    x = 23,728.84

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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.