Home / 31,422.36-43,366.64-17,997.96

Finding the Fourth Proportional to 31,422.36, 43,366.64 and 17,997.96

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Solution

The fourth proportional to 31,422.36, 43,366.64 and 17,997.96 is: 24,839.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,422.36 : 43,366.64 = 17,997.96 : x
  2. Step 2: Convert to fraction form
    31,422.36/43,366.64 = 17,997.96/x
  3. Step 3: Cross multiply
    31,422.36x = 43,366.64 × 17,997.96
  4. Step 4: Simplify right side
    31,422.36x = 780,510,962.06
  5. Step 5: Solve for x
    x = 780,510,962.06/31,422.36
  6. Step 6: Final answer
    x = 24,839.35

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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.