Home / 30,375.88-41,919.06-17,631.64

Finding the Fourth Proportional to 30,375.88, 41,919.06 and 17,631.64

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Solution

The fourth proportional to 30,375.88, 41,919.06 and 17,631.64 is: 24,331.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,375.88 : 41,919.06 = 17,631.64 : x
  2. Step 2: Convert to fraction form
    30,375.88/41,919.06 = 17,631.64/x
  3. Step 3: Cross multiply
    30,375.88x = 41,919.06 × 17,631.64
  4. Step 4: Simplify right side
    30,375.88x = 739,101,775.06
  5. Step 5: Solve for x
    x = 739,101,775.06/30,375.88
  6. Step 6: Final answer
    x = 24,331.86

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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.