Home / 30,577.03-42,195.60-17,147.97

Finding the Fourth Proportional to 30,577.03, 42,195.60 and 17,147.97

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Solution

The fourth proportional to 30,577.03, 42,195.60 and 17,147.97 is: 23,663.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,577.03 : 42,195.60 = 17,147.97 : x
  2. Step 2: Convert to fraction form
    30,577.03/42,195.60 = 17,147.97/x
  3. Step 3: Cross multiply
    30,577.03x = 42,195.60 × 17,147.97
  4. Step 4: Simplify right side
    30,577.03x = 723,568,882.93
  5. Step 5: Solve for x
    x = 723,568,882.93/30,577.03
  6. Step 6: Final answer
    x = 23,663.81

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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.