Home / 30,654.33-45,986.97-11,944.56

Finding the Fourth Proportional to 30,654.33, 45,986.97 and 11,944.56

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Solution

The fourth proportional to 30,654.33, 45,986.97 and 11,944.56 is: 17,918.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,654.33 : 45,986.97 = 11,944.56 : x
  2. Step 2: Convert to fraction form
    30,654.33/45,986.97 = 11,944.56/x
  3. Step 3: Cross multiply
    30,654.33x = 45,986.97 × 11,944.56
  4. Step 4: Simplify right side
    30,654.33x = 549,294,122.38
  5. Step 5: Solve for x
    x = 549,294,122.38/30,654.33
  6. Step 6: Final answer
    x = 17,918.97

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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.