Home / 31,280.67-43,166.99-16,940.26

Finding the Fourth Proportional to 31,280.67, 43,166.99 and 16,940.26

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Solution

The fourth proportional to 31,280.67, 43,166.99 and 16,940.26 is: 23,377.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,280.67 : 43,166.99 = 16,940.26 : x
  2. Step 2: Convert to fraction form
    31,280.67/43,166.99 = 16,940.26/x
  3. Step 3: Cross multiply
    31,280.67x = 43,166.99 × 16,940.26
  4. Step 4: Simplify right side
    31,280.67x = 731,260,130.33
  5. Step 5: Solve for x
    x = 731,260,130.33/31,280.67
  6. Step 6: Final answer
    x = 23,377.38

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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.