Home / 31,774.55-43,843.88-18,343.26

Finding the Fourth Proportional to 31,774.55, 43,843.88 and 18,343.26

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Solution

The fourth proportional to 31,774.55, 43,843.88 and 18,343.26 is: 25,310.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,774.55 : 43,843.88 = 18,343.26 : x
  2. Step 2: Convert to fraction form
    31,774.55/43,843.88 = 18,343.26/x
  3. Step 3: Cross multiply
    31,774.55x = 43,843.88 × 18,343.26
  4. Step 4: Simplify right side
    31,774.55x = 804,239,736.11
  5. Step 5: Solve for x
    x = 804,239,736.11/31,774.55
  6. Step 6: Final answer
    x = 25,310.82

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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.