Home / 29,855.49-41,176.38-18,517.11

Finding the Fourth Proportional to 29,855.49, 41,176.38 and 18,517.11

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Solution

The fourth proportional to 29,855.49, 41,176.38 and 18,517.11 is: 25,538.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,855.49 : 41,176.38 = 18,517.11 : x
  2. Step 2: Convert to fraction form
    29,855.49/41,176.38 = 18,517.11/x
  3. Step 3: Cross multiply
    29,855.49x = 41,176.38 × 18,517.11
  4. Step 4: Simplify right side
    29,855.49x = 762,467,557.86
  5. Step 5: Solve for x
    x = 762,467,557.86/29,855.49
  6. Step 6: Final answer
    x = 25,538.60

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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.