Home / 30,584.82-42,198.99-17,660.91

Finding the Fourth Proportional to 30,584.82, 42,198.99 and 17,660.91

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Solution

The fourth proportional to 30,584.82, 42,198.99 and 17,660.91 is: 24,367.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,584.82 : 42,198.99 = 17,660.91 : x
  2. Step 2: Convert to fraction form
    30,584.82/42,198.99 = 17,660.91/x
  3. Step 3: Cross multiply
    30,584.82x = 42,198.99 × 17,660.91
  4. Step 4: Simplify right side
    30,584.82x = 745,272,564.48
  5. Step 5: Solve for x
    x = 745,272,564.48/30,584.82
  6. Step 6: Final answer
    x = 24,367.40

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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.