Home / 39,001.73-53,822.39-21,096.72

Finding the Fourth Proportional to 39,001.73, 53,822.39 and 21,096.72

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Solution

The fourth proportional to 39,001.73, 53,822.39 and 21,096.72 is: 29,113.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,001.73 : 53,822.39 = 21,096.72 : x
  2. Step 2: Convert to fraction form
    39,001.73/53,822.39 = 21,096.72/x
  3. Step 3: Cross multiply
    39,001.73x = 53,822.39 × 21,096.72
  4. Step 4: Simplify right side
    39,001.73x = 1,135,475,786.08
  5. Step 5: Solve for x
    x = 1,135,475,786.08/39,001.73
  6. Step 6: Final answer
    x = 29,113.48

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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.