Home / 35,971.85-49,641.21-20,057.31

Finding the Fourth Proportional to 35,971.85, 49,641.21 and 20,057.31

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Solution

The fourth proportional to 35,971.85, 49,641.21 and 20,057.31 is: 27,679.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,971.85 : 49,641.21 = 20,057.31 : x
  2. Step 2: Convert to fraction form
    35,971.85/49,641.21 = 20,057.31/x
  3. Step 3: Cross multiply
    35,971.85x = 49,641.21 × 20,057.31
  4. Step 4: Simplify right side
    35,971.85x = 995,669,137.75
  5. Step 5: Solve for x
    x = 995,669,137.75/35,971.85
  6. Step 6: Final answer
    x = 27,679.12

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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.