Home / 30,219.08-41,690.38-17,469.91

Finding the Fourth Proportional to 30,219.08, 41,690.38 and 17,469.91

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Solution

The fourth proportional to 30,219.08, 41,690.38 and 17,469.91 is: 24,101.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,219.08 : 41,690.38 = 17,469.91 : x
  2. Step 2: Convert to fraction form
    30,219.08/41,690.38 = 17,469.91/x
  3. Step 3: Cross multiply
    30,219.08x = 41,690.38 × 17,469.91
  4. Step 4: Simplify right side
    30,219.08x = 728,327,294.30
  5. Step 5: Solve for x
    x = 728,327,294.30/30,219.08
  6. Step 6: Final answer
    x = 24,101.57

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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.