Home / 31,774.35-43,850.67-18,346.17

Finding the Fourth Proportional to 31,774.35, 43,850.67 and 18,346.17

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Solution

The fourth proportional to 31,774.35, 43,850.67 and 18,346.17 is: 25,318.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,774.35 : 43,850.67 = 18,346.17 : x
  2. Step 2: Convert to fraction form
    31,774.35/43,850.67 = 18,346.17/x
  3. Step 3: Cross multiply
    31,774.35x = 43,850.67 × 18,346.17
  4. Step 4: Simplify right side
    31,774.35x = 804,491,846.43
  5. Step 5: Solve for x
    x = 804,491,846.43/31,774.35
  6. Step 6: Final answer
    x = 25,318.91

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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.