Home / 30,943.73-46,418.05-8,757.25

Finding the Fourth Proportional to 30,943.73, 46,418.05 and 8,757.25

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Solution

The fourth proportional to 30,943.73, 46,418.05 and 8,757.25 is: 13,136.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,943.73 : 46,418.05 = 8,757.25 : x
  2. Step 2: Convert to fraction form
    30,943.73/46,418.05 = 8,757.25/x
  3. Step 3: Cross multiply
    30,943.73x = 46,418.05 × 8,757.25
  4. Step 4: Simplify right side
    30,943.73x = 406,494,214.38
  5. Step 5: Solve for x
    x = 406,494,214.38/30,943.73
  6. Step 6: Final answer
    x = 13,136.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.