Home / 35,982.36-49,642.62-20,866.68

Finding the Fourth Proportional to 35,982.36, 49,642.62 and 20,866.68

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Solution

The fourth proportional to 35,982.36, 49,642.62 and 20,866.68 is: 28,788.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,982.36 : 49,642.62 = 20,866.68 : x
  2. Step 2: Convert to fraction form
    35,982.36/49,642.62 = 20,866.68/x
  3. Step 3: Cross multiply
    35,982.36x = 49,642.62 × 20,866.68
  4. Step 4: Simplify right side
    35,982.36x = 1,035,876,665.90
  5. Step 5: Solve for x
    x = 1,035,876,665.90/35,982.36
  6. Step 6: Final answer
    x = 28,788.46

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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.