Home / 60,949.48-84,091.62-39,721

Finding the Fourth Proportional to 60,949.48, 84,091.62 and 39,721

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Solution

The fourth proportional to 60,949.48, 84,091.62 and 39,721 is: 54,802.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,949.48 : 84,091.62 = 39,721 : x
  2. Step 2: Convert to fraction form
    60,949.48/84,091.62 = 39,721/x
  3. Step 3: Cross multiply
    60,949.48x = 84,091.62 × 39,721
  4. Step 4: Simplify right side
    60,949.48x = 3,340,203,238.02
  5. Step 5: Solve for x
    x = 3,340,203,238.02/60,949.48
  6. Step 6: Final answer
    x = 54,802.82

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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.