Home / 35,229.65-48,617.32-20,124.31

Finding the Fourth Proportional to 35,229.65, 48,617.32 and 20,124.31

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Solution

The fourth proportional to 35,229.65, 48,617.32 and 20,124.31 is: 27,771.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,229.65 : 48,617.32 = 20,124.31 : x
  2. Step 2: Convert to fraction form
    35,229.65/48,617.32 = 20,124.31/x
  3. Step 3: Cross multiply
    35,229.65x = 48,617.32 × 20,124.31
  4. Step 4: Simplify right side
    35,229.65x = 978,389,918.43
  5. Step 5: Solve for x
    x = 978,389,918.43/35,229.65
  6. Step 6: Final answer
    x = 27,771.78

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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.