Home / 30,083.11-45,090.84-11,350.43

Finding the Fourth Proportional to 30,083.11, 45,090.84 and 11,350.43

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Solution

The fourth proportional to 30,083.11, 45,090.84 and 11,350.43 is: 17,012.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,083.11 : 45,090.84 = 11,350.43 : x
  2. Step 2: Convert to fraction form
    30,083.11/45,090.84 = 11,350.43/x
  3. Step 3: Cross multiply
    30,083.11x = 45,090.84 × 11,350.43
  4. Step 4: Simplify right side
    30,083.11x = 511,800,599.05
  5. Step 5: Solve for x
    x = 511,800,599.05/30,083.11
  6. Step 6: Final answer
    x = 17,012.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.