Home / 30,282.67-41,766.38-19,675.75

Finding the Fourth Proportional to 30,282.67, 41,766.38 and 19,675.75

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Solution

The fourth proportional to 30,282.67, 41,766.38 and 19,675.75 is: 27,137.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,282.67 : 41,766.38 = 19,675.75 : x
  2. Step 2: Convert to fraction form
    30,282.67/41,766.38 = 19,675.75/x
  3. Step 3: Cross multiply
    30,282.67x = 41,766.38 × 19,675.75
  4. Step 4: Simplify right side
    30,282.67x = 821,784,752.91
  5. Step 5: Solve for x
    x = 821,784,752.91/30,282.67
  6. Step 6: Final answer
    x = 27,137.13

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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.