Home / 30,654.72-42,299.15-17,225.33

Finding the Fourth Proportional to 30,654.72, 42,299.15 and 17,225.33

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Solution

The fourth proportional to 30,654.72, 42,299.15 and 17,225.33 is: 23,768.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,654.72 : 42,299.15 = 17,225.33 : x
  2. Step 2: Convert to fraction form
    30,654.72/42,299.15 = 17,225.33/x
  3. Step 3: Cross multiply
    30,654.72x = 42,299.15 × 17,225.33
  4. Step 4: Simplify right side
    30,654.72x = 728,616,519.85
  5. Step 5: Solve for x
    x = 728,616,519.85/30,654.72
  6. Step 6: Final answer
    x = 23,768.49

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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.