Home / 89,181.27-133,791.62-30,015

Finding the Fourth Proportional to 89,181.27, 133,791.62 and 30,015

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Solution

The fourth proportional to 89,181.27, 133,791.62 and 30,015 is: 45,029.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,181.27 : 133,791.62 = 30,015 : x
  2. Step 2: Convert to fraction form
    89,181.27/133,791.62 = 30,015/x
  3. Step 3: Cross multiply
    89,181.27x = 133,791.62 × 30,015
  4. Step 4: Simplify right side
    89,181.27x = 4,015,755,324.23
  5. Step 5: Solve for x
    x = 4,015,755,324.23/89,181.27
  6. Step 6: Final answer
    x = 45,029.13

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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.