Home / 35,062.09-48,391.92-20,721.31

Finding the Fourth Proportional to 35,062.09, 48,391.92 and 20,721.31

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Solution

The fourth proportional to 35,062.09, 48,391.92 and 20,721.31 is: 28,599.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,062.09 : 48,391.92 = 20,721.31 : x
  2. Step 2: Convert to fraction form
    35,062.09/48,391.92 = 20,721.31/x
  3. Step 3: Cross multiply
    35,062.09x = 48,391.92 × 20,721.31
  4. Step 4: Simplify right side
    35,062.09x = 1,002,743,975.82
  5. Step 5: Solve for x
    x = 1,002,743,975.82/35,062.09
  6. Step 6: Final answer
    x = 28,599.09

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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.