Home / 43,893.09-65,841.26-20,513.25

Finding the Fourth Proportional to 43,893.09, 65,841.26 and 20,513.25

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Solution

The fourth proportional to 43,893.09, 65,841.26 and 20,513.25 is: 30,770.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,893.09 : 65,841.26 = 20,513.25 : x
  2. Step 2: Convert to fraction form
    43,893.09/65,841.26 = 20,513.25/x
  3. Step 3: Cross multiply
    43,893.09x = 65,841.26 × 20,513.25
  4. Step 4: Simplify right side
    43,893.09x = 1,350,618,124.13
  5. Step 5: Solve for x
    x = 1,350,618,124.13/43,893.09
  6. Step 6: Final answer
    x = 30,770.63

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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.