Home / 30,198.31-41,670.61-17,630.35

Finding the Fourth Proportional to 30,198.31, 41,670.61 and 17,630.35

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Solution

The fourth proportional to 30,198.31, 41,670.61 and 17,630.35 is: 24,328.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,198.31 : 41,670.61 = 17,630.35 : x
  2. Step 2: Convert to fraction form
    30,198.31/41,670.61 = 17,630.35/x
  3. Step 3: Cross multiply
    30,198.31x = 41,670.61 × 17,630.35
  4. Step 4: Simplify right side
    30,198.31x = 734,667,290.76
  5. Step 5: Solve for x
    x = 734,667,290.76/30,198.31
  6. Step 6: Final answer
    x = 24,328.09

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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.