Home / 39,020.49-58,539.38-21,481.29

Finding the Fourth Proportional to 39,020.49, 58,539.38 and 21,481.29

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Solution

The fourth proportional to 39,020.49, 58,539.38 and 21,481.29 is: 32,226.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,020.49 : 58,539.38 = 21,481.29 : x
  2. Step 2: Convert to fraction form
    39,020.49/58,539.38 = 21,481.29/x
  3. Step 3: Cross multiply
    39,020.49x = 58,539.38 × 21,481.29
  4. Step 4: Simplify right side
    39,020.49x = 1,257,501,290.79
  5. Step 5: Solve for x
    x = 1,257,501,290.79/39,020.49
  6. Step 6: Final answer
    x = 32,226.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.