Home / 31,399.28-43,331.00-17,252.12

Finding the Fourth Proportional to 31,399.28, 43,331.00 and 17,252.12

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Solution

The fourth proportional to 31,399.28, 43,331.00 and 17,252.12 is: 23,807.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,399.28 : 43,331.00 = 17,252.12 : x
  2. Step 2: Convert to fraction form
    31,399.28/43,331.00 = 17,252.12/x
  3. Step 3: Cross multiply
    31,399.28x = 43,331.00 × 17,252.12
  4. Step 4: Simplify right side
    31,399.28x = 747,551,633.79
  5. Step 5: Solve for x
    x = 747,551,633.79/31,399.28
  6. Step 6: Final answer
    x = 23,807.92

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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.