Home / 30,355.34-41,883.39-18,250.29

Finding the Fourth Proportional to 30,355.34, 41,883.39 and 18,250.29

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Solution

The fourth proportional to 30,355.34, 41,883.39 and 18,250.29 is: 25,181.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,355.34 : 41,883.39 = 18,250.29 : x
  2. Step 2: Convert to fraction form
    30,355.34/41,883.39 = 18,250.29/x
  3. Step 3: Cross multiply
    30,355.34x = 41,883.39 × 18,250.29
  4. Step 4: Simplify right side
    30,355.34x = 764,384,013.68
  5. Step 5: Solve for x
    x = 764,384,013.68/30,355.34
  6. Step 6: Final answer
    x = 25,181.21

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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.