Home / 39,632.82-54,693.30-21,727.45

Finding the Fourth Proportional to 39,632.82, 54,693.30 and 21,727.45

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Solution

The fourth proportional to 39,632.82, 54,693.30 and 21,727.45 is: 29,983.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,632.82 : 54,693.30 = 21,727.45 : x
  2. Step 2: Convert to fraction form
    39,632.82/54,693.30 = 21,727.45/x
  3. Step 3: Cross multiply
    39,632.82x = 54,693.30 × 21,727.45
  4. Step 4: Simplify right side
    39,632.82x = 1,188,345,941.09
  5. Step 5: Solve for x
    x = 1,188,345,941.09/39,632.82
  6. Step 6: Final answer
    x = 29,983.89

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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.