Home / 31,185.28-43,033.44-17,035.12

Finding the Fourth Proportional to 31,185.28, 43,033.44 and 17,035.12

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Solution

The fourth proportional to 31,185.28, 43,033.44 and 17,035.12 is: 23,507.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,185.28 : 43,033.44 = 17,035.12 : x
  2. Step 2: Convert to fraction form
    31,185.28/43,033.44 = 17,035.12/x
  3. Step 3: Cross multiply
    31,185.28x = 43,033.44 × 17,035.12
  4. Step 4: Simplify right side
    31,185.28x = 733,079,814.41
  5. Step 5: Solve for x
    x = 733,079,814.41/31,185.28
  6. Step 6: Final answer
    x = 23,507.24

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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.