Home / 35,270.68-48,675.06-21,120.82

Finding the Fourth Proportional to 35,270.68, 48,675.06 and 21,120.82

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Solution

The fourth proportional to 35,270.68, 48,675.06 and 21,120.82 is: 29,147.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,270.68 : 48,675.06 = 21,120.82 : x
  2. Step 2: Convert to fraction form
    35,270.68/48,675.06 = 21,120.82/x
  3. Step 3: Cross multiply
    35,270.68x = 48,675.06 × 21,120.82
  4. Step 4: Simplify right side
    35,270.68x = 1,028,057,180.75
  5. Step 5: Solve for x
    x = 1,028,057,180.75/35,270.68
  6. Step 6: Final answer
    x = 29,147.64

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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.